Result of master@oci-aarch64 at 2024-11-10 23:36:12 +0900

• OK (bce1bd1dc1)[LOG]
• test-all: 30985 tests, 6496750 assertions, 0 failures, 0 errors, 378 skips
• test-spec: 3436 files, 33245 examples, 194478 expectations, 0 failures, 0 errors, 0 tagged
• commands:

  "make update-download -j3" exit with 0.
  "make update-src      -j3" exit with 0.
  From https://github.com/ruby/ruby
     2f88a92..bce1bd1  master     -> origin/master
  "make after-update    -j3" exit with 0.
  "make miniruby -j3" exit with 0.
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/miniinit.c:12:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/internal.h:31,
                   from /home/opc/ruby/src/master/ast.c:2:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/debug_counter.h:351,
                   from /home/opc/ruby/src/master/array.c:14:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/internal.h:31,
                   from /home/opc/ruby/src/master/bignum.c:35:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/include/ruby/encoding.h:19,
                   from /home/opc/ruby/src/master/encindex.h:14,
                   from /home/opc/ruby/src/master/compile.c:19:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/internal.h:31,
                   from /home/opc/ruby/src/master/complex.c:19:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/internal.h:31,
                   from /home/opc/ruby/src/master/enum.c:13:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/internal.h:31,
                   from /home/opc/ruby/src/master/enumerator.c:22:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/constant.h:13,
                   from /home/opc/ruby/src/master/gc.c:79:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/debug_counter.h:351,
                   from /home/opc/ruby/src/master/hash.c:26:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/include/ruby/fiber/scheduler.h:20,
                   from /home/opc/ruby/src/master/io.c:16:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/include/ruby/io/buffer.h:16,
                   from /home/opc/ruby/src/master/io_buffer.c:9:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/eval_intern.h:4,
                   from /home/opc/ruby/src/master/iseq.c:21:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/dln.h:14,
                   from /home/opc/ruby/src/master/load.c:5:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/include/ruby/encoding.h:19,
                   from /home/opc/ruby/src/master/encindex.h:14,
                   from /home/opc/ruby/src/master/marshal.c:22:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/assert.h:23,
                   from /home/opc/ruby/src/master/ruby_assert.h:10,
                   from /home/opc/ruby/src/master/vm_core.h:54,
                   from /home/opc/ruby/src/master/rjit.h:13,
                   from /home/opc/ruby/src/master/rjit_c.c:9:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/internal.h:31,
                   from /home/opc/ruby/src/master/node_dump.c:12:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/internal.h:31,
                   from /home/opc/ruby/src/master/numeric.c:28:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/constant.h:13,
                   from /home/opc/ruby/src/master/object.c:22:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/internal.h:31,
                   from /home/opc/ruby/src/master/pack.c:19:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/internal.h:31,
                   from parse.y:45:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/include/ruby/fiber/scheduler.h:20,
                   from /home/opc/ruby/src/master/process.c:16:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/ractor.c:3:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  In file included from /home/opc/ruby/src/master/ractor.c:8:
  /home/opc/ruby/src/master/ractor.c: In function ‘ractor_channel_func’:
  /home/opc/ruby/src/master/eval_intern.h:99:34: warning: variable ‘_ec’ might be clobbered by ‘longjmp’ or ‘vfork’ [-Wclobbered]
     rb_execution_context_t * const _ec = (ec); \
                                    ^~~
  /home/opc/ruby/src/master/ractor.c:3898:9: note: in expansion of macro ‘EC_PUSH_TAG’
           EC_PUSH_TAG(ec);
           ^~~~~~~~~~~
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/internal.h:31,
                   from /home/opc/ruby/src/master/random.c:65:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/ractor.c: At top level:
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/internal.h:31,
                   from /home/opc/ruby/src/master/range.c:22:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/internal.h:31,
                   from /home/opc/ruby/src/master/rational.c:27:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/include/ruby/encoding.h:19,
                   from /home/opc/ruby/src/master/encindex.h:14,
                   from /home/opc/ruby/src/master/re.c:16:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/dln.h:14,
                   from /home/opc/ruby/src/master/ruby.c:43:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/include/ruby/encoding.h:19,
                   from /home/opc/ruby/src/master/rubyparser.h:21,
                   from /home/opc/ruby/src/master/internal/parse.h:12,
                   from /home/opc/ruby/src/master/ruby_parser.c:3:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/internal.h:31,
                   from /home/opc/ruby/src/master/sprintf.c:24:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/internal.h:31,
                   from /home/opc/ruby/src/master/st.c:107:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/debug_counter.h:351,
                   from /home/opc/ruby/src/master/string.c:24:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/eval_intern.h:4,
                   from /home/opc/ruby/src/master/thread.c:75:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/internal.h:31,
                   from /home/opc/ruby/src/master/time.c:35:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/eval_intern.h:4,
                   from /home/opc/ruby/src/master/vm.c:13:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/eval_intern.h:4,
                   from /home/opc/ruby/src/master/vm_trace.c:24:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  "make ruby -j3" exit with 0.
  "make all -j3" exit with 0.
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/internal/bignum.h:19,
                   from /home/opc/ruby/src/master/internal/numeric.h:11,
                   from /home/opc/ruby/src/master/ext/-test-/integer/core_ext.c:1:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/internal/rational.h:12,
                   from /home/opc/ruby/src/master/ext/-test-/rational/rat.c:1:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/include/ruby.h:38,
                   from /home/opc/ruby/src/master/ext/-test-/time/leap_second.c:1:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/internal.h:31,
                   from ripper.y:45:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  In file included from /home/opc/ruby/src/master/include/ruby/internal/assume.h:31,
                   from /home/opc/ruby/src/master/include/ruby/backward/2/assume.h:24,
                   from /home/opc/ruby/src/master/include/ruby/defines.h:72,
                   from /home/opc/ruby/src/master/include/ruby/ruby.h:25,
                   from /home/opc/ruby/src/master/ext/ripper/ripper_init.c:1:
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:138:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_add_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:149:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_add_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:178:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  /home/opc/ruby/src/master/include/ruby/internal/has/builtin.h:49:33: warning: "RBIMPL_HAS_BUILTIN___builtin_sub_overflow_p" is not defined, evaluates to 0 [-Wundef]
   # define RBIMPL_HAS_BUILTIN(_) (RBIMPL_HAS_BUILTIN_ ## _)
                                   ^~~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/compilers.h:39:29: note: in expansion of macro ‘RBIMPL_HAS_BUILTIN’
   # define __has_builtin(...) RBIMPL_HAS_BUILTIN(__VA_ARGS__)
                               ^~~~~~~~~~~~~~~~~~
  /home/opc/ruby/src/master/internal/bits.h:189:5: note: in expansion of macro ‘__has_builtin’
   #if __has_builtin(__builtin_sub_overflow_p)
       ^~~~~~~~~~~~~
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  cc1: warning: unrecognized command line option ‘-Wno-self-assign’
  cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
  cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
  "make install -j3" exit with 0.
  "make yes-btest TESTOPTS='-q -j3'" exit with 0.
   
  "make yes-test-basic TESTS='-j3'" exit with 0.
  "make yes-test-all TESTOPTS='--stderr-on-failure' TESTS='-j3'" exit with 0.
  "make yes-test-rubyspec MSPECOPT='--error-output stderr -j' TESTS='-j3'" exit with 0.
  

• Linux oci-aarch64 5.4.17-2136.314.6.2.el8uek.aarch64 #2 SMP Fri Dec 9 16:22:23 PST 2022 aarch64 aarch64 aarch64 GNU/Linux
  

• Logfile: /home/opc/ruby/logs/brlog.master.20241110-143027
  #<BuildRuby:0x0000fffe90fafde0
   @BUILD_DIR="/home/opc/ruby/build",
   @INSTALL_DIR="/home/opc/ruby/install",
   @REPOSITORY="https://github.com/ruby/ruby.git",
   @REPOSITORY_TYPE=:git,
   @SRC_DIR="/home/opc/ruby/src",
   @TARGET_BUILD_DIR="/home/opc/ruby/build/master",
   @TARGET_INSTALL_DIR="/home/opc/ruby/install/master",
   @TARGET_NAME="master",
   @TARGET_SRC_DIR="/home/opc/ruby/src/master",
   @btest_opts="-j3",
   @build_opts="-j3",
   @configure_opts=["--disable-dtrace --disable-yjit"],
   @gist=false,
   @git_branch=nil,
   @git_worktree=nil,
   @incremental=true,
   @logfile="/home/opc/ruby/logs/brlog.master.20241110-143027",
   @make="make",
   @no_timeout_error=nil,
   @quiet=false,
   @ruby_env=[["RUBY_DEBUG", "ci"]],
   @spec_opts="-j",
   @steps=
    ["checkout",
     "autoconf",
     "configure",
     "build_up",
     "build_miniruby",
     "build_ruby",
     "build_all",
     "build_install",
     "test_btest",
     "test_basic",
     "test_all",
     "test_rubyspec"],
   @svn_revision=nil,
   @test_opts="TESTS='-j3'",
   @timeout=10800>
                             user     system      total        real
  checkout               0.000010   0.000002   0.000012 (  0.000011)
  autoconf               0.000019   0.000003   0.000022 (  0.000021)
  configure              0.000012   0.000002   0.000014 (  0.000014)
  build_up               0.005843   0.000281   2.073405 (  2.807446)
  build_miniruby         0.038537   0.001078 141.351581 ( 51.038677)
  build_ruby             0.002088   0.000240   2.282891 (  3.879351)
  build_all              0.051741   0.020483  87.753106 ( 31.243655)
  build_install          0.014733   0.002944   4.774097 (  2.580033)
  test_btest             0.000732   0.000146  50.426196 ( 22.207134)
  test_basic             0.008023   0.000000   0.529314 (  0.595235)
  test_all               0.105440   0.027317 495.825816 (200.442544)
  test_rubyspec          0.048866   0.065666  65.332487 ( 29.888692)
  total: 344.68 sec