Result of trunk_asan@ruby-sp1 at 2026-02-26 22:56:28 +0900

• OK (64fdfb722b)[LOG]
• test-all: 34403 tests, 7235510 assertions, 1 failures, 0 errors, 179 skips
• test-spec: 3424 files, 34142 examples, 193853 expectations, 0 failures, 0 errors, 0 tagged
• commands:

  "make update-download -j16" exit with 0.
  "make update-src      -j16" exit with 0.
  "make after-update    -j16" exit with 0.
  "make miniruby -j16" exit with 0.
  "make ruby -j16" exit with 0.
  "make all -j16" exit with 0.
  "make install -j16" exit with 0.
  "make yes-test-basic TESTS='-j16'" exit with 0.
  "make yes-test-all TESTOPTS='--stderr-on-failure' TESTS='-j16'" exit with 512.
  $$$ #<Timeout::Error: execution expired>
  ### enter analyzing mode for stuck processes
  $$$ ps jx
     PPID     PID    PGID     SID TTY        TPGID STAT   UID   TIME COMMAND
        1    1009    1009    1009 ?             -1 Ss    1000   0:01 SCREEN -d -m dash -c cd build-ruby; BUILD_RUBY_WORKING_DIR=/tmp/ruby sh build-loop.sh trunk_asan --incremental --exclude-steps=test_btest
     1009    1022    1022    1022 pts/0       1022 Ss+   1000   0:00 dash -c cd build-ruby; BUILD_RUBY_WORKING_DIR=/tmp/ruby sh build-loop.sh trunk_asan --incremental --exclude-steps=test_btest
     1022    1024    1022    1022 pts/0       1022 S+    1000   0:00 sh build-loop.sh trunk_asan --incremental --exclude-steps=test_btest
     1024 2790945    1022    1022 pts/0       1022 Sl+   1000   0:00 ruby ./br.rb build_report trunk_asan --incremental --exclude-steps=test_btest
  2790945 2790948    1022    1022 pts/0       1022 S+    1000   0:00 sh -c ruby /home/ko1/build-ruby/build-ruby.rb --target_name=trunk_asan --logfile=/home/ko1/ruby/logs/brlog.trunk_asan.20260226-134527 --root_dir=/tmp/ruby --timeout=600 --no-timeout-error --configure_opts="'CC=clang-17' 'cflags=-fsanitize=address -fno-omit-frame-pointer -DUSE_MN_THREADS=0'" --add-env=RUBY_TEST_TIMEOUT_SCALE=50 --incremental --exclude-steps=test_btest
  2790948 2790949    1022    1022 pts/0       1022 Sl+   1000   0:00 ruby /home/ko1/build-ruby/build-ruby.rb --target_name=trunk_asan --logfile=/home/ko1/ruby/logs/brlog.trunk_asan.20260226-134527 --root_dir=/tmp/ruby --timeout=600 --no-timeout-error --configure_opts='CC=clang-17' 'cflags=-fsanitize=address -fno-omit-frame-pointer -DUSE_MN_THREADS=0' --add-env=RUBY_TEST_TIMEOUT_SCALE=50 --incremental --exclude-steps=test_btest
  2790949 2791847    1022    1022 pts/0       1022 S+    1000   0:00 sh -c make yes-test-all TESTOPTS='--stderr-on-failure' TESTS='-j16'
  2791847 2791848    1022    1022 pts/0       1022 S+    1000   0:00 make yes-test-all TESTOPTS=--stderr-on-failure TESTS=-j16
  2791848 2792178    1022    1022 pts/0       1022 Sl+   1000   0:20 /tmp/ruby/build/trunk_asan/ruby --disable-gems -r/tmp/ruby/src/trunk_asan/tool/lib/_tmpdir /tmp/ruby/src/trunk_asan/test/runner.rb --ruby=./miniruby -I/tmp/ruby/src/trunk_asan/lib -I. -I.ext/common  /tmp/ruby/src/trunk_asan/tool/runruby.rb --extout=.ext  -- --disable-gems --excludes-dir=/tmp/ruby/src/trunk_asan/test/.excludes --name=!/memory_leak/ --stderr-on-failure -j16
  2792178 2792186    1022    1022 pts/0       1022 Sl+   1000   0:27 /tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestFiberProcess#test_fork
  2792186 2813978    1022    1022 pts/0       1022 S+    1000   0:00 /tmp/ruby/src/trunk_asan/tool/lib/test/unit/parallel.rb: TestFiberProcess#test_fork
  2790949 3307106    1022    1022 pts/0       1022 R+    1000   0:00 ps jx
  {1=>[1009], 1009=>[1022], 1022=>[1024], 1024=>[2790945], 2790945=>[2790948], 2790948=>[2790949], 2790949=>[2791847, 3307106], 2791847=>[2791848], 2791848=>[2792178], 2792178=>[2792186], 2792186=>[2813978]}
  $ timeout 60 gdb -p 2813978 -x /home/ko1/build-ruby/gdbscript -batch -quiet 2> /dev/null
  [Thread debugging using libthread_db enabled]
  Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
  0x00006413503e9eae in __sanitizer::FutexWait(__sanitizer::atomic_uint32_t*, unsigned int) ()
  >>> Threads
    Id   Target Id                                  Frame 
  * 1    Thread 0x711795081c40 (LWP 2813978) "ruby" 0x00006413503e9eae in __sanitizer::FutexWait(__sanitizer::atomic_uint32_t*, unsigned int) ()
  >>> Machine level backtrace
  Thread 1 (Thread 0x711795081c40 (LWP 2813978) "ruby"):
  #0  0x00006413503e9eae in __sanitizer::FutexWait(__sanitizer::atomic_uint32_t*, unsigned int) ()
  No symbol table info available.
  #1  0x00006413503eae6a in __sanitizer::Semaphore::Wait() ()
  No symbol table info available.
  #2  0x00006413503377f8 in __sanitizer::SizeClassAllocator64<__asan::AP64<__sanitizer::LocalAddressSpaceView> >::ReturnToAllocator(__sanitizer::MemoryMapper<__sanitizer::SizeClassAllocator64<__asan::AP64<__sanitizer::LocalAddressSpaceView> > >*, __sanitizer::AllocatorStats*, unsigned long, unsigned int const*, unsigned long) ()
  No symbol table info available.
  #3  0x00006413503375e9 in __sanitizer::SizeClassAllocator64LocalCache<__sanitizer::SizeClassAllocator64<__asan::AP64<__sanitizer::LocalAddressSpaceView> > >::DrainHalfMax(__sanitizer::SizeClassAllocator64LocalCache<__sanitizer::SizeClassAllocator64<__asan::AP64<__sanitizer::LocalAddressSpaceView> > >::PerClass*, __sanitizer::SizeClassAllocator64<__asan::AP64<__sanitizer::LocalAddressSpaceView> >*, unsigned long) ()
  No symbol table info available.
  #4  0x000064135033741d in __sanitizer::SizeClassAllocator64LocalCache<__sanitizer::SizeClassAllocator64<__asan::AP64<__sanitizer::LocalAddressSpaceView> > >::Deallocate(__sanitizer::SizeClassAllocator64<__asan::AP64<__sanitizer::LocalAddressSpaceView> >*, unsigned long, void*) ()
  No symbol table info available.
  #5  0x0000641350336e5d in __sanitizer::Quarantine<__asan::QuarantineCallback, __asan::AsanChunk>::DoRecycle(__sanitizer::QuarantineCache<__asan::QuarantineCallback>*, __asan::QuarantineCallback) ()
  No symbol table info available.
  #6  0x0000641350336aa6 in __sanitizer::Quarantine<__asan::QuarantineCallback, __asan::AsanChunk>::Recycle(unsigned long, __asan::QuarantineCallback) ()
  No symbol table info available.
  #7  0x0000641350338d76 in __sanitizer::Quarantine<__asan::QuarantineCallback, __asan::AsanChunk>::Put(__sanitizer::QuarantineCache<__asan::QuarantineCallback>*, __asan::QuarantineCallback, __asan::AsanChunk*, unsigned long) ()
  No symbol table info available.
  #8  0x00006413503cfc40 in __interceptor_free ()
  No symbol table info available.
  #9  0x0000641350454a16 in rb_gc_impl_free (objspace_ptr=0x51d000000a80, ptr=0x7117922ff800, old_size=1048576) at /tmp/ruby/src/trunk_asan/gc/default/default.c:8278
          objspace = 0x51d000000a80
          malloc_increase_done = <optimized out>
  #10 ruby_sized_xfree (x=0x7117922ff800, size=<optimized out>) at /tmp/ruby/src/trunk_asan/gc.c:5483
  No locals.
  #11 0x00006413507479cb in rb_threadptr_sched_free (th=th@entry=0x64135111b460 <_main_thread>) at /tmp/ruby/src/trunk_asan/thread_pthread.c:2354
  No locals.
  #12 0x0000641350836d39 in thread_free (ptr=0x64135111b460 <_main_thread>) at /tmp/ruby/src/trunk_asan/vm.c:3803
          th = 0x64135111b460 <_main_thread>
  #13 ruby_vm_destruct (vm=0x641351b48ce0 <_vm>) at /tmp/ruby/src/trunk_asan/vm.c:3406
          th = 0x64135111b460 <_main_thread>
          objspace = <optimized out>
          next = <optimized out>
  #14 0x0000641350414241 in rb_ec_cleanup (ec=<optimized out>, ex=<optimized out>) at /tmp/ruby/src/trunk_asan/eval.c:265
          save_error = 4
          sysex = 0
          signaled = 0
          th0 = 0x64135111b460 <_main_thread>
          step = 4
          message = 4
          th = <optimized out>
          buf = <optimized out>
          state = <optimized out>
  #15 0x0000641350413854 in ruby_cleanup (ex=<optimized out>) at /tmp/ruby/src/trunk_asan/eval.c:180
  No locals.
  #16 0x000064135041476b in ruby_stop (ex=2824, ex@entry=0) at /tmp/ruby/src/trunk_asan/eval.c:292
  No locals.
  #17 0x00006413505bd63d in rb_f_fork (obj=<optimized out>) at /tmp/ruby/src/trunk_asan/process.c:4291
          status = <optimized out>
          pid = <optimized out>
  #18 0x000064135085b748 in vm_call_cfunc_with_frame_ (ec=<optimized out>, reg_cfp=<optimized out>, calling=<optimized out>, argc=<optimized out>, argv=<optimized out>, stack_bottom=<optimized out>) at /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3905
          ci = 0x666100000001
          cc = <optimized out>
          me = 0x711794775408
          cfunc = 0x506000049108
          recv = 124346089113920
          block_handler = <optimized out>
          frame_type = 1431634051
          len = <optimized out>
          val = <optimized out>
  #19 0x0000641350840cf5 in vm_call_method_each_type (ec=<optimized out>, cfp=<optimized out>, calling=0x7ffdeb691aa0) at /tmp/ruby/src/trunk_asan/vm_insnhelper.c:4891
          ivar_mask = <optimized out>
          aset_mask = <optimized out>
          ci = 0x0
          cc = <optimized out>
          cme = <optimized out>
          v = <optimized out>
  #20 0x0000641350840785 in vm_call_method (ec=<optimized out>, cfp=<optimized out>, calling=<optimized out>) at /tmp/ruby/src/trunk_asan/vm_insnhelper.c:5031
          ci = <optimized out>
          cc = 0x0
  #21 0x00006413507f5280 in vm_sendish (ec=0x5170000000d8, reg_cfp=0x7117923ff4f0, cd=0x50700083fe90, block_handler=<optimized out>, method_explorer=mexp_search_method) at /tmp/ruby/src/trunk_asan/vm_insnhelper.c:6127
          val = 36
          ci = <optimized out>
          argc = <optimized out>
          recv = <optimized out>
          cc = <optimized out>
          calling = <optimized out>
  #22 vm_exec_core (ec=ec@entry=0x5170000000d8) at ../../src/trunk_asan/insns.def:857
          bh = <optimized out>
          blockiseq = <optimized out>
          leaf = false
          val = <optimized out>
          cd = 0x50700083fe90
          insns_address_table = {0x6413507f6835 <vm_exec_core+29765>, 0x6413507f072f <vm_exec_core+4927>, 0x6413507f6076 <vm_exec_core+27782>, 0x6413507f1e4f <vm_exec_core+10847>, 0x6413507ef919 <vm_exec_core+1321>, 0x6413507f1087 <vm_exec_core+7319>, 0x6413507f6425 <vm_exec_core+28725>, 0x6413507f0c9f <vm_exec_core+6319>, 0x6413507f6f7b <vm_exec_core+31627>, 0x6413507f5462 <vm_exec_core+24690>, 0x6413507f3647 <vm_exec_core+16983>, 0x6413507efc99 <vm_exec_core+2217>, 0x6413507f69de <vm_exec_core+30190>, 0x6413507f6688 <vm_exec_core+29336>, 0x6413507f0e81 <vm_exec_core+6801>, 0x6413507f01c7 <vm_exec_core+3543>, 0x6413507f5a22 <vm_exec_core+26162>, 0x6413507f1750 <vm_exec_core+9056>, 0x6413507f6c7b <vm_exec_core+30859>, 0x6413507f6869 <vm_exec_core+29817>, 0x6413507f1cc5 <vm_exec_core+10453>, 0x6413507f35b2 <vm_exec_core+16834>, 0x6413507f5732 <vm_exec_core+25410>, 0x6413507f6777 <vm_exec_core+29575>, 0x6413507f428c <vm_exec_core+20124>, 0x6413507f57ca <vm_exec_core+25562>, 0x6413507f5bd8 <vm_exec_core+26600>, 0x6413507f41c9 <vm_exec_core+19929>, 0x6413507f00d6 <vm_exec_core+3302>, 0x6413507f4ec4 <vm_exec_core+23252>, 0x6413507eff25 <vm_exec_core+2869>, 0x6413507f0255 <vm_exec_core+3685>, 0x6413507f24f4 <vm_exec_core+12548>, 0x6413507f4111 <vm_exec_core+19745>, 0x6413507f4cda <vm_exec_core+22762>, 0x6413507f3c39 <vm_exec_core+18505>, 0x6413507efbb3 <vm_exec_core+1987>, 0x6413507f5fde <vm_exec_core+27630>, 0x6413507f65aa <vm_exec_core+29114>, 0x6413507f044f <vm_exec_core+4191>, 0x6413507f1357 <vm_exec_core+8039>, 0x6413507f0fe0 <vm_exec_core+7152>, 0x6413507f1840 <vm_exec_core+9296>, 0x6413507f33d5 <vm_exec_core+16357>, 0x6413507f0961 <vm_exec_core+5489>, 0x6413507f5f25 <vm_exec_core+27445>, 0x6413507f12e5 <vm_exec_core+7925>, 0x6413507f2ee5 <vm_exec_core+15093>, 0x6413507f3925 <vm_exec_core+17717>, 0x6413507f5ac4 <vm_exec_core+26324>, 0x6413507f4673 <vm_exec_core+21123>, 0x6413507f1aab <vm_exec_core+9915>, 0x6413507f1456 <vm_exec_core+8294>, 0x6413507f59a4 <vm_exec_core+26036>, 0x6413507f283d <vm_exec_core+13389>, 0x6413507f4f52 <vm_exec_core+23394>, 0x6413507f4788 <vm_exec_core+21400>, 0x6413507ef748 <vm_exec_core+856>, 0x6413507f049f <vm_exec_core+4271>, 0x6413507f3ce0 <vm_exec_core+18672>, 0x6413507f5e80 <vm_exec_core+27280>, 0x6413507f1d6f <vm_exec_core+10623>, 0x6413507f58c9 <vm_exec_core+25817>, 0x6413507f165d <vm_exec_core+8813>, 0x6413507f4457 <vm_exec_core+20583>, 0x6413507f4546 <vm_exec_core+20822>, 0x6413507f3a7a <vm_exec_core+18058>, 0x6413507f3ecb <vm_exec_core+19163>, 0x6413507f2265 <vm_exec_core+11893>, 0x6413507f18b6 <vm_exec_core+9414>, 0x6413507f553b <vm_exec_core+24907>, 0x6413507fd600 <vm_exec_core+57872>, 0x6413507f21af <vm_exec_core+11711>, 0x6413507f3dbe <vm_exec_core+18894>, 0x6413507f434f <vm_exec_core+20319>, 0x6413507f0acb <vm_exec_core+5851>, 0x6413507f0c4e <vm_exec_core+6238>, 0x6413507f0bd1 <vm_exec_core+6113>, 0x6413507f13f6 <vm_exec_core+8198>, 0x6413507f17c6 <vm_exec_core+9174>, 0x6413507f37c5 <vm_exec_core+17365>, 0x6413507f2d3d <vm_exec_core+14669>, 0x6413507f6ba7 <vm_exec_core+30647>, 0x6413507ef819 <vm_exec_core+1065>, 0x6413507f0daa <vm_exec_core+6586>, 0x6413507f709f <vm_exec_core+31919>, 0x6413507f4da0 <vm_exec_core+22960>, 0x6413507f3b34 <vm_exec_core+18244>, 0x6413507f5c6a <vm_exec_core+26746>, 0x6413507ef74d <vm_exec_core+861>, 0x6413507f634e <vm_exec_core+28510>, 0x6413507f6cf5 <vm_exec_core+30981>, 0x6413507f6dc1 <vm_exec_core+31185>, 0x6413507effa4 <vm_exec_core+2996>, 0x6413507f68e3 <vm_exec_core+29939>, 0x6413507f2766 <vm_exec_core+13174>, 0x6413507f6a65 <vm_exec_core+30325>, 0x6413507f1b88 <vm_exec_core+10136>, 0x6413507f62c8 <vm_exec_core+28376>, 0x6413507efe90 <vm_exec_core+2720>, 0x6413507f0a0d <vm_exec_core+5661>, 0x6413507f6e8f <vm_exec_core+31391>, 0x6413507f2ff5 <vm_exec_core+15365>, 0x6413507f2be7 <vm_exec_core+14327>, 0x6413507f346f <vm_exec_core+16511>, 0x6413507f29fa <vm_exec_core+13834>, 0x6413507f32bb <vm_exec_core+16075>, 0x6413507f31ed <vm_exec_core+15869>, 0x6413507f20cc <vm_exec_core+11484>, 0x6413507f2905 <vm_exec_core+13589>, 0x6413507f2628 <vm_exec_core+12856>, 0x6413507f2b14 <vm_exec_core+14116>, 0x6413507f2b85 <vm_exec_core+14229>, 0x6413507f6826 <vm_exec_core+29750>, 0x6413507f0720 <vm_exec_core+4912>, 0x6413507f6067 <vm_exec_core+27767>, 0x6413507f1e40 <vm_exec_core+10832>, 0x6413507ef90a <vm_exec_core+1306>, 0x6413507f1078 <vm_exec_core+7304>, 0x6413507f6416 <vm_exec_core+28710>, 0x6413507f0c90 <vm_exec_core+6304>, 0x6413507f6f6c <vm_exec_core+31612>, 0x6413507f5453 <vm_exec_core+24675>, 0x6413507f3638 <vm_exec_core+16968>, 0x6413507efc8a <vm_exec_core+2202>, 0x6413507f69cf <vm_exec_core+30175>, 0x6413507f6679 <vm_exec_core+29321>, 0x6413507f0e72 <vm_exec_core+6786>, 0x6413507f01b8 <vm_exec_core+3528>, 0x6413507f5a13 <vm_exec_core+26147>, 0x6413507f1741 <vm_exec_core+9041>, 0x6413507f6c6c <vm_exec_core+30844>, 0x6413507f685a <vm_exec_core+29802>, 0x6413507f1cb6 <vm_exec_core+10438>, 0x6413507f35a3 <vm_exec_core+16819>, 0x6413507f5723 <vm_exec_core+25395>, 0x6413507f6768 <vm_exec_core+29560>, 0x6413507f427d <vm_exec_core+20109>, 0x6413507f57bb <vm_exec_core+25547>, 0x6413507f5bc9 <vm_exec_core+26585>, 0x6413507f41ba <vm_exec_core+19914>, 0x6413507f00c7 <vm_exec_core+3287>, 0x6413507f4eb5 <vm_exec_core+23237>, 0x6413507eff16 <vm_exec_core+2854>, 0x6413507f0246 <vm_exec_core+3670>, 0x6413507f24e5 <vm_exec_core+12533>, 0x6413507f4102 <vm_exec_core+19730>, 0x6413507f4ccb <vm_exec_core+22747>, 0x6413507f3c2a <vm_exec_core+18490>, 0x6413507efba4 <vm_exec_core+1972>, 0x6413507f5fcf <vm_exec_core+27615>, 0x6413507f659b <vm_exec_core+29099>, 0x6413507f0440 <vm_exec_core+4176>, 0x6413507f1348 <vm_exec_core+8024>, 0x6413507f0fd1 <vm_exec_core+7137>, 0x6413507f1831 <vm_exec_core+9281>, 0x6413507f33c6 <vm_exec_core+16342>, 0x6413507f0952 <vm_exec_core+5474>, 0x6413507f5f16 <vm_exec_core+27430>, 0x6413507f12d6 <vm_exec_core+7910>, 0x6413507f2ed6 <vm_exec_core+15078>, 0x6413507f3916 <vm_exec_core+17702>, 0x6413507f5ab5 <vm_exec_core+26309>, 0x6413507f4664 <vm_exec_core+21108>, 0x6413507f1a9c <vm_exec_core+9900>, 0x6413507f1447 <vm_exec_core+8279>, 0x6413507f5995 <vm_exec_core+26021>, 0x6413507f282e <vm_exec_core+13374>, 0x6413507f4f43 <vm_exec_core+23379>, 0x6413507f4779 <vm_exec_core+21385>, 0x6413507f4523 <vm_exec_core+20787>, 0x6413507f0490 <vm_exec_core+4256>, 0x6413507f3cd1 <vm_exec_core+18657>, 0x6413507f5e71 <vm_exec_core+27265>, 0x6413507f1d60 <vm_exec_core+10608>, 0x6413507f58ba <vm_exec_core+25802>, 0x6413507f1e3b <vm_exec_core+10827>, 0x6413507f4448 <vm_exec_core+20568>, 0x6413507f4537 <vm_exec_core+20807>, 0x6413507f3a6b <vm_exec_core+18043>, 0x6413507f3ebc <vm_exec_core+19148>, 0x6413507f2256 <vm_exec_core+11878>, 0x6413507f18a7 <vm_exec_core+9399>, 0x6413507f552c <vm_exec_core+24892>, 0x6413507fd5f1 <vm_exec_core+57857>, 0x6413507f21a0 <vm_exec_core+11696>, 0x6413507f3daf <vm_exec_core+18879>, 0x6413507f4340 <vm_exec_core+20304>, 0x6413507f0abc <vm_exec_core+5836>, 0x6413507f0c3f <vm_exec_core+6223>, 0x6413507f0bc2 <vm_exec_core+6098>, 0x6413507f13e7 <vm_exec_core+8183>, 0x6413507f17b7 <vm_exec_core+9159>, 0x6413507f37b6 <vm_exec_core+17350>, 0x6413507f2d2e <vm_exec_core+14654>, 0x6413507f37b1 <vm_exec_core+17345>, 0x6413507f41b5 <vm_exec_core+19909>, 0x6413507f40fd <vm_exec_core+19725>, 0x6413507f13e2 <vm_exec_core+8178>, 0x6413507f4523 <vm_exec_core+20787>...}
          reg_cfp = 0x7117923ff4f0
          reg_pc = 0x51100155fed8
          INSN_LABEL_nop = <optimized out>
          INSN_LABEL_getlocal = <optimized out>
          INSN_LABEL_setlocal = <optimized out>
          INSN_LABEL_getblockparam = <optimized out>
          INSN_LABEL_setblockparam = <optimized out>
          INSN_LABEL_getblockparamproxy = <optimized out>
          INSN_LABEL_getspecial = <optimized out>
          INSN_LABEL_setspecial = <optimized out>
          INSN_LABEL_getinstancevariable = <optimized out>
          INSN_LABEL_setinstancevariable = <optimized out>
          INSN_LABEL_getclassvariable = <optimized out>
          INSN_LABEL_setclassvariable = <optimized out>
          INSN_LABEL_opt_getconstant_path = <optimized out>
          INSN_LABEL_getconstant = <optimized out>
          INSN_LABEL_setconstant = <optimized out>
          INSN_LABEL_getglobal = <optimized out>
          INSN_LABEL_setglobal = <optimized out>
          INSN_LABEL_putnil = <optimized out>
          INSN_LABEL_putself = <optimized out>
          INSN_LABEL_putobject = <optimized out>
          INSN_LABEL_putspecialobject = <optimized out>
          INSN_LABEL_putstring = <optimized out>
          INSN_LABEL_putchilledstring = <optimized out>
          INSN_LABEL_concatstrings = <optimized out>
          INSN_LABEL_anytostring = <optimized out>
          INSN_LABEL_toregexp = <optimized out>
          INSN_LABEL_intern = <optimized out>
          INSN_LABEL_newarray = <optimized out>
          INSN_LABEL_pushtoarraykwsplat = <optimized out>
          INSN_LABEL_duparray = <optimized out>
          INSN_LABEL_duphash = <optimized out>
          INSN_LABEL_expandarray = <optimized out>
          INSN_LABEL_concatarray = <optimized out>
          INSN_LABEL_concattoarray = <optimized out>
          INSN_LABEL_pushtoarray = <optimized out>
          INSN_LABEL_splatarray = <optimized out>
          INSN_LABEL_splatkw = <optimized out>
          INSN_LABEL_newhash = <optimized out>
          INSN_LABEL_newrange = <optimized out>
          INSN_LABEL_pop = <optimized out>
          INSN_LABEL_dup = <optimized out>
          INSN_LABEL_dupn = <optimized out>
          INSN_LABEL_swap = <optimized out>
          INSN_LABEL_opt_reverse = <optimized out>
          INSN_LABEL_topn = <optimized out>
          INSN_LABEL_setn = <optimized out>
          INSN_LABEL_adjuststack = <optimized out>
          INSN_LABEL_defined = <optimized out>
          INSN_LABEL_definedivar = <optimized out>
          INSN_LABEL_checkmatch = <optimized out>
          INSN_LABEL_checkkeyword = <optimized out>
          INSN_LABEL_checktype = <optimized out>
          INSN_LABEL_defineclass = <optimized out>
          INSN_LABEL_definemethod = <optimized out>
          INSN_LABEL_definesmethod = <optimized out>
          INSN_LABEL_send = <optimized out>
          INSN_LABEL_sendforward = <optimized out>
          INSN_LABEL_opt_send_without_block = <optimized out>
          INSN_LABEL_opt_new = <optimized out>
          INSN_LABEL_objtostring = <optimized out>
          INSN_LABEL_opt_ary_freeze = <optimized out>
          INSN_LABEL_opt_hash_freeze = <optimized out>
          INSN_LABEL_opt_str_freeze = <optimized out>
          INSN_LABEL_opt_str_uminus = <optimized out>
          INSN_LABEL_opt_duparray_send = <optimized out>
          INSN_LABEL_opt_newarray_send = <optimized out>
          INSN_LABEL_invokesuper = <optimized out>
          INSN_LABEL_invokesuperforward = <optimized out>
          INSN_LABEL_invokeblock = <optimized out>
          INSN_LABEL_leave = <optimized out>
          INSN_LABEL_throw = <optimized out>
          INSN_LABEL_jump = <optimized out>
          INSN_LABEL_branchif = <optimized out>
          INSN_LABEL_branchunless = <optimized out>
          INSN_LABEL_branchnil = <optimized out>
          INSN_LABEL_jump_without_ints = <optimized out>
          INSN_LABEL_branchif_without_ints = <optimized out>
          INSN_LABEL_branchunless_without_ints = <optimized out>
          INSN_LABEL_branchnil_without_ints = <optimized out>
          INSN_LABEL_once = <optimized out>
          INSN_LABEL_opt_case_dispatch = <optimized out>
          INSN_LABEL_invokebuiltin = <optimized out>
          INSN_LABEL_opt_invokebuiltin_delegate = <optimized out>
          INSN_LABEL_opt_invokebuiltin_delegate_leave = <optimized out>
          INSN_LABEL_getlocal_WC_0 = <optimized out>
          INSN_LABEL_getlocal_WC_1 = <optimized out>
          INSN_LABEL_setlocal_WC_0 = <optimized out>
          INSN_LABEL_setlocal_WC_1 = <optimized out>
          INSN_LABEL_putobject_INT2FIX_0_ = <optimized out>
          INSN_LABEL_putobject_INT2FIX_1_ = <optimized out>
          INSN_LABEL_trace_opt_nil_p = <optimized out>
          INSN_LABEL_trace_opt_plus = <optimized out>
          INSN_LABEL_trace_opt_minus = <optimized out>
          INSN_LABEL_trace_opt_mult = <optimized out>
          INSN_LABEL_trace_opt_div = <optimized out>
          INSN_LABEL_trace_opt_mod = <optimized out>
          INSN_LABEL_trace_opt_eq = <optimized out>
          INSN_LABEL_trace_opt_lt = <optimized out>
          INSN_LABEL_trace_opt_le = <optimized out>
          INSN_LABEL_trace_opt_gt = <optimized out>
          INSN_LABEL_trace_opt_ge = <optimized out>
          INSN_LABEL_trace_opt_ltlt = <optimized out>
          INSN_LABEL_trace_opt_and = <optimized out>
          INSN_LABEL_trace_opt_or = <optimized out>
          INSN_LABEL_trace_opt_aref = <optimized out>
          INSN_LABEL_trace_opt_aset = <optimized out>
          INSN_LABEL_trace_opt_length = <optimized out>
          INSN_LABEL_trace_opt_size = <optimized out>
          INSN_LABEL_trace_opt_empty_p = <optimized out>
          INSN_LABEL_trace_opt_succ = <optimized out>
          INSN_LABEL_trace_opt_not = <optimized out>
          INSN_LABEL_trace_opt_regexpmatch2 = <optimized out>
  #23 0x00006413507ea582 in rb_vm_exec (ec=<optimized out>) at /tmp/ruby/src/trunk_asan/vm.c:2798
          _ec = 0x5170000000d8
          _tag = <optimized out>
          state = RUBY_TAG_NONE
          result = <optimized out>
  #24 0x000064135087c542 in invoke_iseq_block_from_c (ec=0x5170000000d8, captured=0x7117923ff620, self=124346060777680, argc=<optimized out>, argv=<optimized out>, kw_splat=<optimized out>, passed_block_handler=<optimized out>, cref=<optimized out>, is_lambda=0, me=0x0) at /tmp/ruby/src/trunk_asan/vm.c:1820
  th: 0x64135111b460, native_id: 0x711795081c40
          flags = 0
  -- Control frame information -----------------------------------------------
  =================================================================
  ==2813978==ERROR: AddressSanitizer: heap-use-after-free on address 0x7117923ff4d8 at pc 0x64135088d7bc bp 0x7ffdeb690550 sp 0x7ffdeb690548
  READ of size 8 at 0x7117923ff4d8 thread T0
          iseq = 0x7117945dbea8
          cfp = <optimized out>
          sp = 0x7117922ffa28
          use_argv = 0x711792ee0be0
          stack_argv = 0x7117922ffa28
          opt_pc = 0
          type = <optimized out>
          av = <optimized out>
          bound = <optimized out>
  #25 invoke_block_from_c_bh (ec=<optimized out>, block_handler=<optimized out>, argc=<optimized out>, argv=<optimized out>, kw_splat=<optimized out>, passed_block_handler=<optimized out>, cref=<optimized out>, is_lambda=<optimized out>, force_blockarg=<optimized out>) at /tmp/ruby/src/trunk_asan/vm.c:1834
          captured = 0x7117923ff620
  #26 0x000064135081c96c in vm_yield_with_cref (ec=<optimized out>, argc=<optimized out>, argv=<optimized out>, kw_splat=<optimized out>, cref=<optimized out>, is_lambda=<optimized out>) at /tmp/ruby/src/trunk_asan/vm.c:1871
  No locals.
  #27 vm_yield (ec=<optimized out>, argc=<optimized out>, argv=<optimized out>, kw_splat=<optimized out>) at /tmp/ruby/src/trunk_asan/vm.c:1879
  No locals.
  #28 rb_yield_0 (argc=<optimized out>, argv=<optimized out>) at /tmp/ruby/src/trunk_asan/vm_eval.c:1362
  No locals.
  #29 0x000064135081c96c in rb_yield (val=<optimized out>)
  No locals.
  #30 0x00006413509fc806 in rb_ary_collect (ary=124345488946080) at /tmp/ruby/src/trunk_asan/array.c:3779
          collect = 124345488944000
          i = 3
  #31 0x000064135085b748 in vm_call_cfunc_with_frame_ (ec=<optimized out>, reg_cfp=<optimized out>, calling=<optimized out>, argc=<optimized out>, argv=<optimized out>, stack_bottom=<optimized out>) at /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3905
          ci = 0x16a100000001
          cc = <optimized out>
          me = 0x71179479e6a0
          cfunc = 0x506000020188
          recv = 124345488946080
          block_handler = <optimized out>
          frame_type = 1431634051
          len = <optimized out>
          val = <optimized out>
  #32 0x00006413507f5280 in vm_sendish (ec=0x5170000000d8, reg_cfp=0x7117923ff608, cd=0x5120000101b0, block_handler=<optimized out>, method_explorer=mexp_search_method) at /tmp/ruby/src/trunk_asan/vm_insnhelper.c:6127
          val = 36
          ci = <optimized out>
          argc = <optimized out>
          recv = <optimized out>
          cc = <optimized out>
          calling = <optimized out>
  #33 vm_exec_core (ec=ec@entry=0x5170000000d8) at ../../src/trunk_asan/insns.def:857
          bh = <optimized out>
          blockiseq = <optimized out>
          leaf = false
          val = <optimized out>
          cd = 0x5120000101b0
          insns_address_table = {0x6413507f6835 <vm_exec_core+29765>, 0x6413507f072f <vm_exec_core+4927>, 0x6413507f6076 <vm_exec_core+27782>, 0x6413507f1e4f <vm_exec_core+10847>, 0x6413507ef919 <vm_exec_core+1321>, 0x6413507f1087 <vm_exec_core+7319>, 0x6413507f6425 <vm_exec_core+28725>, 0x6413507f0c9f <vm_exec_core+6319>, 0x6413507f6f7b <vm_exec_core+31627>, 0x6413507f5462 <vm_exec_core+24690>, 0x6413507f3647 <vm_exec_core+16983>, 0x6413507efc99 <vm_exec_core+2217>, 0x6413507f69de <vm_exec_core+30190>, 0x6413507f6688 <vm_exec_core+29336>, 0x6413507f0e81 <vm_exec_core+6801>, 0x6413507f01c7 <vm_exec_core+3543>, 0x6413507f5a22 <vm_exec_core+26162>, 0x6413507f1750 <vm_exec_core+9056>, 0x6413507f6c7b <vm_exec_core+30859>, 0x6413507f6869 <vm_exec_core+29817>, 0x6413507f1cc5 <vm_exec_core+10453>, 0x6413507f35b2 <vm_exec_core+16834>, 0x6413507f5732 <vm_exec_core+25410>, 0x6413507f6777 <vm_exec_core+29575>, 0x6413507f428c <vm_exec_core+20124>, 0x6413507f57ca <vm_exec_core+25562>, 0x6413507f5bd8 <vm_exec_core+26600>, 0x6413507f41c9 <vm_exec_core+19929>, 0x6413507f00d6 <vm_exec_core+3302>, 0x6413507f4ec4 <vm_exec_core+23252>, 0x6413507eff25 <vm_exec_core+2869>, 0x6413507f0255 <vm_exec_core+3685>, 0x6413507f24f4 <vm_exec_core+12548>, 0x6413507f4111 <vm_exec_core+19745>, 0x6413507f4cda <vm_exec_core+22762>, 0x6413507f3c39 <vm_exec_core+18505>, 0x6413507efbb3 <vm_exec_core+1987>, 0x6413507f5fde <vm_exec_core+27630>, 0x6413507f65aa <vm_exec_core+29114>, 0x6413507f044f <vm_exec_core+4191>, 0x6413507f1357 <vm_exec_core+8039>, 0x6413507f0fe0 <vm_exec_core+7152>, 0x6413507f1840 <vm_exec_core+9296>, 0x6413507f33d5 <vm_exec_core+16357>, 0x6413507f0961 <vm_exec_core+5489>, 0x6413507f5f25 <vm_exec_core+27445>, 0x6413507f12e5 <vm_exec_core+7925>, 0x6413507f2ee5 <vm_exec_core+15093>, 0x6413507f3925 <vm_exec_core+17717>, 0x6413507f5ac4 <vm_exec_core+26324>, 0x6413507f4673 <vm_exec_core+21123>, 0x6413507f1aab <vm_exec_core+9915>, 0x6413507f1456 <vm_exec_core+8294>, 0x6413507f59a4 <vm_exec_core+26036>, 0x6413507f283d <vm_exec_core+13389>, 0x6413507f4f52 <vm_exec_core+23394>, 0x6413507f4788 <vm_exec_core+21400>, 0x6413507ef748 <vm_exec_core+856>, 0x6413507f049f <vm_exec_core+4271>, 0x6413507f3ce0 <vm_exec_core+18672>, 0x6413507f5e80 <vm_exec_core+27280>, 0x6413507f1d6f <vm_exec_core+10623>, 0x6413507f58c9 <vm_exec_core+25817>, 0x6413507f165d <vm_exec_core+8813>, 0x6413507f4457 <vm_exec_core+20583>, 0x6413507f4546 <vm_exec_core+20822>, 0x6413507f3a7a <vm_exec_core+18058>, 0x6413507f3ecb <vm_exec_core+19163>, 0x6413507f2265 <vm_exec_core+11893>, 0x6413507f18b6 <vm_exec_core+9414>, 0x6413507f553b <vm_exec_core+24907>, 0x6413507fd600 <vm_exec_core+57872>, 0x6413507f21af <vm_exec_core+11711>, 0x6413507f3dbe <vm_exec_core+18894>, 0x6413507f434f <vm_exec_core+20319>, 0x6413507f0acb <vm_exec_core+5851>, 0x6413507f0c4e <vm_exec_core+6238>, 0x6413507f0bd1 <vm_exec_core+6113>, 0x6413507f13f6 <vm_exec_core+8198>, 0x6413507f17c6 <vm_exec_core+9174>, 0x6413507f37c5 <vm_exec_core+17365>, 0x6413507f2d3d <vm_exec_core+14669>, 0x6413507f6ba7 <vm_exec_core+30647>, 0x6413507ef819 <vm_exec_core+1065>, 0x6413507f0daa <vm_exec_core+6586>, 0x6413507f709f <vm_exec_core+31919>, 0x6413507f4da0 <vm_exec_core+22960>, 0x6413507f3b34 <vm_exec_core+18244>, 0x6413507f5c6a <vm_exec_core+26746>, 0x6413507ef74d <vm_exec_core+861>, 0x6413507f634e <vm_exec_core+28510>, 0x6413507f6cf5 <vm_exec_core+30981>, 0x6413507f6dc1 <vm_exec_core+31185>, 0x6413507effa4 <vm_exec_core+2996>, 0x6413507f68e3 <vm_exec_core+29939>, 0x6413507f2766 <vm_exec_core+13174>, 0x6413507f6a65 <vm_exec_core+30325>, 0x6413507f1b88 <vm_exec_core+10136>, 0x6413507f62c8 <vm_exec_core+28376>, 0x6413507efe90 <vm_exec_core+2720>, 0x6413507f0a0d <vm_exec_core+5661>, 0x6413507f6e8f <vm_exec_core+31391>, 0x6413507f2ff5 <vm_exec_core+15365>, 0x6413507f2be7 <vm_exec_core+14327>, 0x6413507f346f <vm_exec_core+16511>, 0x6413507f29fa <vm_exec_core+13834>, 0x6413507f32bb <vm_exec_core+16075>, 0x6413507f31ed <vm_exec_core+15869>, 0x6413507f20cc <vm_exec_core+11484>, 0x6413507f2905 <vm_exec_core+13589>, 0x6413507f2628 <vm_exec_core+12856>, 0x6413507f2b14 <vm_exec_core+14116>, 0x6413507f2b85 <vm_exec_core+14229>, 0x6413507f6826 <vm_exec_core+29750>, 0x6413507f0720 <vm_exec_core+4912>, 0x6413507f6067 <vm_exec_core+27767>, 0x6413507f1e40 <vm_exec_core+10832>, 0x6413507ef90a <vm_exec_core+1306>, 0x6413507f1078 <vm_exec_core+7304>, 0x6413507f6416 <vm_exec_core+28710>, 0x6413507f0c90 <vm_exec_core+6304>, 0x6413507f6f6c <vm_exec_core+31612>, 0x6413507f5453 <vm_exec_core+24675>, 0x6413507f3638 <vm_exec_core+16968>, 0x6413507efc8a <vm_exec_core+2202>, 0x6413507f69cf <vm_exec_core+30175>, 0x6413507f6679 <vm_exec_core+29321>, 0x6413507f0e72 <vm_exec_core+6786>, 0x6413507f01b8 <vm_exec_core+3528>, 0x6413507f5a13 <vm_exec_core+26147>, 0x6413507f1741 <vm_exec_core+9041>, 0x6413507f6c6c <vm_exec_core+30844>, 0x6413507f685a <vm_exec_core+29802>, 0x6413507f1cb6 <vm_exec_core+10438>, 0x6413507f35a3 <vm_exec_core+16819>, 0x6413507f5723 <vm_exec_core+25395>, 0x6413507f6768 <vm_exec_core+29560>, 0x6413507f427d <vm_exec_core+20109>, 0x6413507f57bb <vm_exec_core+25547>, 0x6413507f5bc9 <vm_exec_core+26585>, 0x6413507f41ba <vm_exec_core+19914>, 0x6413507f00c7 <vm_exec_core+3287>, 0x6413507f4eb5 <vm_exec_core+23237>, 0x6413507eff16 <vm_exec_core+2854>, 0x6413507f0246 <vm_exec_core+3670>, 0x6413507f24e5 <vm_exec_core+12533>, 0x6413507f4102 <vm_exec_core+19730>, 0x6413507f4ccb <vm_exec_core+22747>, 0x6413507f3c2a <vm_exec_core+18490>, 0x6413507efba4 <vm_exec_core+1972>, 0x6413507f5fcf <vm_exec_core+27615>, 0x6413507f659b <vm_exec_core+29099>, 0x6413507f0440 <vm_exec_core+4176>, 0x6413507f1348 <vm_exec_core+8024>, 0x6413507f0fd1 <vm_exec_core+7137>, 0x6413507f1831 <vm_exec_core+9281>, 0x6413507f33c6 <vm_exec_core+16342>, 0x6413507f0952 <vm_exec_core+5474>, 0x6413507f5f16 <vm_exec_core+27430>, 0x6413507f12d6 <vm_exec_core+7910>, 0x6413507f2ed6 <vm_exec_core+15078>, 0x6413507f3916 <vm_exec_core+17702>, 0x6413507f5ab5 <vm_exec_core+26309>, 0x6413507f4664 <vm_exec_core+21108>, 0x6413507f1a9c <vm_exec_core+9900>, 0x6413507f1447 <vm_exec_core+8279>, 0x6413507f5995 <vm_exec_core+26021>, 0x6413507f282e <vm_exec_core+13374>, 0x6413507f4f43 <vm_exec_core+23379>, 0x6413507f4779 <vm_exec_core+21385>, 0x6413507f4523 <vm_exec_core+20787>, 0x6413507f0490 <vm_exec_core+4256>, 0x6413507f3cd1 <vm_exec_core+18657>, 0x6413507f5e71 <vm_exec_core+27265>, 0x6413507f1d60 <vm_exec_core+10608>, 0x6413507f58ba <vm_exec_core+25802>, 0x6413507f1e3b <vm_exec_core+10827>, 0x6413507f4448 <vm_exec_core+20568>, 0x6413507f4537 <vm_exec_core+20807>, 0x6413507f3a6b <vm_exec_core+18043>, 0x6413507f3ebc <vm_exec_core+19148>, 0x6413507f2256 <vm_exec_core+11878>, 0x6413507f18a7 <vm_exec_core+9399>, 0x6413507f552c <vm_exec_core+24892>, 0x6413507fd5f1 <vm_exec_core+57857>, 0x6413507f21a0 <vm_exec_core+11696>, 0x6413507f3daf <vm_exec_core+18879>, 0x6413507f4340 <vm_exec_core+20304>, 0x6413507f0abc <vm_exec_core+5836>, 0x6413507f0c3f <vm_exec_core+6223>, 0x6413507f0bc2 <vm_exec_core+6098>, 0x6413507f13e7 <vm_exec_core+8183>, 0x6413507f17b7 <vm_exec_core+9159>, 0x6413507f37b6 <vm_exec_core+17350>, 0x6413507f2d2e <vm_exec_core+14654>, 0x6413507f37b1 <vm_exec_core+17345>, 0x6413507f41b5 <vm_exec_core+19909>, 0x6413507f40fd <vm_exec_core+19725>, 0x6413507f13e2 <vm_exec_core+8178>, 0x6413507f4523 <vm_exec_core+20787>...}
          reg_cfp = 0x7117923ff608
          reg_pc = 0x51900001b710
          INSN_LABEL_nop = <optimized out>
          INSN_LABEL_getlocal = <optimized out>
          INSN_LABEL_setlocal = <optimized out>
          INSN_LABEL_getblockparam = <optimized out>
          INSN_LABEL_setblockparam = <optimized out>
          INSN_LABEL_getblockparamproxy = <optimized out>
          INSN_LABEL_getspecial = <optimized out>
          INSN_LABEL_setspecial = <optimized out>
          INSN_LABEL_getinstancevariable = <optimized out>
          INSN_LABEL_setinstancevariable = <optimized out>
          INSN_LABEL_getclassvariable = <optimized out>
          INSN_LABEL_setclassvariable = <optimized out>
          INSN_LABEL_opt_getconstant_path = <optimized out>
          INSN_LABEL_getconstant = <optimized out>
          INSN_LABEL_setconstant = <optimized out>
          INSN_LABEL_getglobal = <optimized out>
          INSN_LABEL_setglobal = <optimized out>
          INSN_LABEL_putnil = <optimized out>
          INSN_LABEL_putself = <optimized out>
          INSN_LABEL_putobject = <optimized out>
          INSN_LABEL_putspecialobject = <optimized out>
          INSN_LABEL_putstring = <optimized out>
          INSN_LABEL_putchilledstring = <optimized out>
          INSN_LABEL_concatstrings = <optimized out>
          INSN_LABEL_anytostring = <optimized out>
          INSN_LABEL_toregexp = <optimized out>
          INSN_LABEL_intern = <optimized out>
          INSN_LABEL_newarray = <optimized out>
          INSN_LABEL_pushtoarraykwsplat = <optimized out>
          INSN_LABEL_duparray = <optimized out>
          INSN_LABEL_duphash = <optimized out>
          INSN_LABEL_expandarray = <optimized out>
          INSN_LABEL_concatarray = <optimized out>
          INSN_LABEL_concattoarray = <optimized out>
          INSN_LABEL_pushtoarray = <optimized out>
          INSN_LABEL_splatarray = <optimized out>
          INSN_LABEL_splatkw = <optimized out>
          INSN_LABEL_newhash = <optimized out>
          INSN_LABEL_newrange = <optimized out>
          INSN_LABEL_pop = <optimized out>
          INSN_LABEL_dup = <optimized out>
          INSN_LABEL_dupn = <optimized out>
          INSN_LABEL_swap = <optimized out>
          INSN_LABEL_opt_reverse = <optimized out>
          INSN_LABEL_topn = <optimized out>
          INSN_LABEL_setn = <optimized out>
          INSN_LABEL_adjuststack = <optimized out>
          INSN_LABEL_defined = <optimized out>
          INSN_LABEL_definedivar = <optimized out>
          INSN_LABEL_checkmatch = <optimized out>
          INSN_LABEL_checkkeyword = <optimized out>
          INSN_LABEL_checktype = <optimized out>
          INSN_LABEL_defineclass = <optimized out>
          INSN_LABEL_definemethod = <optimized out>
          INSN_LABEL_definesmethod = <optimized out>
          INSN_LABEL_send = <optimized out>
          INSN_LABEL_sendforward = <optimized out>
          INSN_LABEL_opt_send_without_block = <optimized out>
          INSN_LABEL_opt_new = <optimized out>
          INSN_LABEL_objtostring = <optimized out>
          INSN_LABEL_opt_ary_freeze = <optimized out>
          INSN_LABEL_opt_hash_freeze = <optimized out>
          INSN_LABEL_opt_str_freeze = <optimized out>
          INSN_LABEL_opt_str_uminus = <optimized out>
          INSN_LABEL_opt_duparray_send = <optimized out>
          INSN_LABEL_opt_newarray_send = <optimized out>
          INSN_LABEL_invokesuper = <optimized out>
          INSN_LABEL_invokesuperforward = <optimized out>
          INSN_LABEL_invokeblock = <optimized out>
          INSN_LABEL_leave = <optimized out>
          INSN_LABEL_throw = <optimized out>
          INSN_LABEL_jump = <optimized out>
          INSN_LABEL_branchif = <optimized out>
          INSN_LABEL_branchunless = <optimized out>
          INSN_LABEL_branchnil = <optimized out>
          INSN_LABEL_jump_without_ints = <optimized out>
          INSN_LABEL_branchif_without_ints = <optimized out>
          INSN_LABEL_branchunless_without_ints = <optimized out>
          INSN_LABEL_branchnil_without_ints = <optimized out>
          INSN_LABEL_once = <optimized out>
          INSN_LABEL_opt_case_dispatch = <optimized out>
          INSN_LABEL_invokebuiltin = <optimized out>
          INSN_LABEL_opt_invokebuiltin_delegate = <optimized out>
          INSN_LABEL_opt_invokebuiltin_delegate_leave = <optimized out>
          INSN_LABEL_getlocal_WC_0 = <optimized out>
          INSN_LABEL_getlocal_WC_1 = <optimized out>
          INSN_LABEL_setlocal_WC_0 = <optimized out>
          INSN_LABEL_setlocal_WC_1 = <optimized out>
          INSN_LABEL_putobject_INT2FIX_0_ = <optimized out>
          INSN_LABEL_putobject_INT2FIX_1_ = <optimized out>
          INSN_LABEL_trace_opt_nil_p = <optimized out>
          INSN_LABEL_trace_opt_plus = <optimized out>
          INSN_LABEL_trace_opt_minus = <optimized out>
          INSN_LABEL_trace_opt_mult = <optimized out>
          INSN_LABEL_trace_opt_div = <optimized out>
          INSN_LABEL_trace_opt_mod = <optimized out>
          INSN_LABEL_trace_opt_eq = <optimized out>
          INSN_LABEL_trace_opt_lt = <optimized out>
          INSN_LABEL_trace_opt_le = <optimized out>
          INSN_LABEL_trace_opt_gt = <optimized out>
          INSN_LABEL_trace_opt_ge = <optimized out>
          INSN_LABEL_trace_opt_ltlt = <optimized out>
          INSN_LABEL_trace_opt_and = <optimized out>
          INSN_LABEL_trace_opt_or = <optimized out>
          INSN_LABEL_trace_opt_aref = <optimized out>
          INSN_LABEL_trace_opt_aset = <optimized out>
          INSN_LABEL_trace_opt_length = <optimized out>
          INSN_LABEL_trace_opt_size = <optimized out>
          INSN_LABEL_trace_opt_empty_p = <optimized out>
          INSN_LABEL_trace_opt_succ = <optimized out>
          INSN_LABEL_trace_opt_not = <optimized out>
          INSN_LABEL_trace_opt_regexpmatch2 = <optimized out>
  #34 0x00006413507ea971 in vm_exec_loop (ec=0x5170000000d8, state=<optimized out>, tag=<optimized out>, result=<optimized out>) at /tmp/ruby/src/trunk_asan/vm.c:2825
  No locals.
  #35 rb_vm_exec (ec=<optimized out>) at /tmp/ruby/src/trunk_asan/vm.c:2804
          _ec = 0x5170000000d8
          _tag = <optimized out>
          state = <optimized out>
          result = 36
  #36 0x000064135087c542 in invoke_iseq_block_from_c (ec=0x5170000000d8, captured=0x7117923ff738, self=124346060777680, argc=<optimized out>, argv=<optimized out>, kw_splat=<optimized out>, passed_block_handler=<optimized out>, cref=<optimized out>, is_lambda=0, me=0x0) at /tmp/ruby/src/trunk_asan/vm.c:1820
          flags = 0
          iseq = 0x71179471a418
          cfp = <optimized out>
          sp = 0x7117922ff8d0
          use_argv = 0x711792e3cf60
          stack_argv = 0x7117922ff8d0
          opt_pc = 0
          type = <optimized out>
          av = <optimized out>
          bound = <optimized out>
  #37 invoke_block_from_c_bh (ec=<optimized out>, block_handler=<optimized out>, argc=<optimized out>, argv=<optimized out>, kw_splat=<optimized out>, passed_block_handler=<optimized out>, cref=<optimized out>, is_lambda=<optimized out>, force_blockarg=<optimized out>) at /tmp/ruby/src/trunk_asan/vm.c:1834
          captured = 0x7117923ff738
  #38 0x000064135081c96c in vm_yield_with_cref (ec=<optimized out>, argc=<optimized out>, argv=<optimized out>, kw_splat=<optimized out>, cref=<optimized out>, is_lambda=<optimized out>) at /tmp/ruby/src/trunk_asan/vm.c:1871
  No locals.
  #39 vm_yield (ec=<optimized out>, argc=<optimized out>, argv=<optimized out>, kw_splat=<optimized out>) at /tmp/ruby/src/trunk_asan/vm.c:1879
  No locals.
  #40 rb_yield_0 (argc=<optimized out>, argv=<optimized out>) at /tmp/ruby/src/trunk_asan/vm_eval.c:1362
  No locals.
  #41 0x000064135081c96c in rb_yield (val=<optimized out>)
  No locals.
  #42 0x00006413509fc806 in rb_ary_collect (ary=124345461407360) at /tmp/ruby/src/trunk_asan/array.c:3779
          collect = 124345461407280
          i = 0
  #43 0x000064135085b748 in vm_call_cfunc_with_frame_ (ec=<optimized out>, reg_cfp=<optimized out>, calling=<optimized out>, argc=<optimized out>, argv=<optimized out>, stack_bottom=<optimized out>) at /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3905
          ci = 0x16a100000001
          cc = <optimized out>
          me = 0x71179479e6a0
          cfunc = 0x506000020188
          recv = 124345461407360
          block_handler = <optimized out>
          frame_type = 1431634051
          len = <optimized out>
          val = <optimized out>
  #44 0x00006413507f5280 in vm_sendish (ec=0x5170000000d8, reg_cfp=0x7117923ff720, cd=0x50200002b690, block_handler=<optimized out>, method_explorer=mexp_search_method) at /tmp/ruby/src/trunk_asan/vm_insnhelper.c:6127
          val = 36
          ci = <optimized out>
          argc = <optimized out>
          recv = <optimized out>
          cc = <optimized out>
          calling = <optimized out>
  #45 vm_exec_core (ec=ec@entry=0x5170000000d8) at ../../src/trunk_asan/insns.def:857
          bh = <optimized out>
          blockiseq = <optimized out>
          leaf = false
          val = <optimized out>
          cd = 0x50200002b690
          insns_address_table = {0x6413507f6835 <vm_exec_core+29765>, 0x6413507f072f <vm_exec_core+4927>, 0x6413507f6076 <vm_exec_core+27782>, 0x6413507f1e4f <vm_exec_core+10847>, 0x6413507ef919 <vm_exec_core+1321>, 0x6413507f1087 <vm_exec_core+7319>, 0x6413507f6425 <vm_exec_core+28725>, 0x6413507f0c9f <vm_exec_core+6319>, 0x6413507f6f7b <vm_exec_core+31627>, 0x6413507f5462 <vm_exec_core+24690>, 0x6413507f3647 <vm_exec_core+16983>, 0x6413507efc99 <vm_exec_core+2217>, 0x6413507f69de <vm_exec_core+30190>, 0x6413507f6688 <vm_exec_core+29336>, 0x6413507f0e81 <vm_exec_core+6801>, 0x6413507f01c7 <vm_exec_core+3543>, 0x6413507f5a22 <vm_exec_core+26162>, 0x6413507f1750 <vm_exec_core+9056>, 0x6413507f6c7b <vm_exec_core+30859>, 0x6413507f6869 <vm_exec_core+29817>, 0x6413507f1cc5 <vm_exec_core+10453>, 0x6413507f35b2 <vm_exec_core+16834>, 0x6413507f5732 <vm_exec_core+25410>, 0x6413507f6777 <vm_exec_core+29575>, 0x6413507f428c <vm_exec_core+20124>, 0x6413507f57ca <vm_exec_core+25562>, 0x6413507f5bd8 <vm_exec_core+26600>, 0x6413507f41c9 <vm_exec_core+19929>, 0x6413507f00d6 <vm_exec_core+3302>, 0x6413507f4ec4 <vm_exec_core+23252>, 0x6413507eff25 <vm_exec_core+2869>, 0x6413507f0255 <vm_exec_core+3685>, 0x6413507f24f4 <vm_exec_core+12548>, 0x6413507f4111 <vm_exec_core+19745>, 0x6413507f4cda <vm_exec_core+22762>, 0x6413507f3c39 <vm_exec_core+18505>, 0x6413507efbb3 <vm_exec_core+1987>, 0x6413507f5fde <vm_exec_core+27630>, 0x6413507f65aa <vm_exec_core+29114>, 0x6413507f044f <vm_exec_core+4191>, 0x6413507f1357 <vm_exec_core+8039>, 0x6413507f0fe0 <vm_exec_core+7152>, 0x6413507f1840 <vm_exec_core+9296>, 0x6413507f33d5 <vm_exec_core+16357>, 0x6413507f0961 <vm_exec_core+5489>, 0x6413507f5f25 <vm_exec_core+27445>, 0x6413507f12e5 <vm_exec_core+7925>, 0x6413507f2ee5 <vm_exec_core+15093>, 0x6413507f3925 <vm_exec_core+17717>, 0x6413507f5ac4 <vm_exec_core+26324>, 0x6413507f4673 <vm_exec_core+21123>, 0x6413507f1aab <vm_exec_core+9915>, 0x6413507f1456 <vm_exec_core+8294>, 0x6413507f59a4 <vm_exec_core+26036>, 0x6413507f283d <vm_exec_core+13389>, 0x6413507f4f52 <vm_exec_core+23394>, 0x6413507f4788 <vm_exec_core+21400>, 0x6413507ef748 <vm_exec_core+856>, 0x6413507f049f <vm_exec_core+4271>, 0x6413507f3ce0 <vm_exec_core+18672>, 0x6413507f5e80 <vm_exec_core+27280>, 0x6413507f1d6f <vm_exec_core+10623>, 0x6413507f58c9 <vm_exec_core+25817>, 0x6413507f165d <vm_exec_core+8813>, 0x6413507f4457 <vm_exec_core+20583>, 0x6413507f4546 <vm_exec_core+20822>, 0x6413507f3a7a <vm_exec_core+18058>, 0x6413507f3ecb <vm_exec_core+19163>, 0x6413507f2265 <vm_exec_core+11893>, 0x6413507f18b6 <vm_exec_core+9414>, 0x6413507f553b <vm_exec_core+24907>, 0x6413507fd600 <vm_exec_core+57872>, 0x6413507f21af <vm_exec_core+11711>, 0x6413507f3dbe <vm_exec_core+18894>, 0x6413507f434f <vm_exec_core+20319>, 0x6413507f0acb <vm_exec_core+5851>, 0x6413507f0c4e <vm_exec_core+6238>, 0x6413507f0bd1 <vm_exec_core+6113>, 0x6413507f13f6 <vm_exec_core+8198>, 0x6413507f17c6 <vm_exec_core+9174>, 0x6413507f37c5 <vm_exec_core+17365>, 0x6413507f2d3d <vm_exec_core+14669>, 0x6413507f6ba7 <vm_exec_core+30647>, 0x6413507ef819 <vm_exec_core+1065>, 0x6413507f0daa <vm_exec_core+6586>, 0x6413507f709f <vm_exec_core+31919>, 0x6413507f4da0 <vm_exec_core+22960>, 0x6413507f3b34 <vm_exec_core+18244>, 0x6413507f5c6a <vm_exec_core+26746>, 0x6413507ef74d <vm_exec_core+861>, 0x6413507f634e <vm_exec_core+28510>, 0x6413507f6cf5 <vm_exec_core+30981>, 0x6413507f6dc1 <vm_exec_core+31185>, 0x6413507effa4 <vm_exec_core+2996>, 0x6413507f68e3 <vm_exec_core+29939>, 0x6413507f2766 <vm_exec_core+13174>, 0x6413507f6a65 <vm_exec_core+30325>, 0x6413507f1b88 <vm_exec_core+10136>, 0x6413507f62c8 <vm_exec_core+28376>, 0x6413507efe90 <vm_exec_core+2720>, 0x6413507f0a0d <vm_exec_core+5661>, 0x6413507f6e8f <vm_exec_core+31391>, 0x6413507f2ff5 <vm_exec_core+15365>, 0x6413507f2be7 <vm_exec_core+14327>, 0x6413507f346f <vm_exec_core+16511>, 0x6413507f29fa <vm_exec_core+13834>, 0x6413507f32bb <vm_exec_core+16075>, 0x6413507f31ed <vm_exec_core+15869>, 0x6413507f20cc <vm_exec_core+11484>, 0x6413507f2905 <vm_exec_core+13589>, 0x6413507f2628 <vm_exec_core+12856>, 0x6413507f2b14 <vm_exec_core+14116>, 0x6413507f2b85 <vm_exec_core+14229>, 0x6413507f6826 <vm_exec_core+29750>, 0x6413507f0720 <vm_exec_core+4912>, 0x6413507f6067 <vm_exec_core+27767>, 0x6413507f1e40 <vm_exec_core+10832>, 0x6413507ef90a <vm_exec_core+1306>, 0x6413507f1078 <vm_exec_core+7304>, 0x6413507f6416 <vm_exec_core+28710>, 0x6413507f0c90 <vm_exec_core+6304>, 0x6413507f6f6c <vm_exec_core+31612>, 0x6413507f5453 <vm_exec_core+24675>, 0x6413507f3638 <vm_exec_core+16968>, 0x6413507efc8a <vm_exec_core+2202>, 0x6413507f69cf <vm_exec_core+30175>, 0x6413507f6679 <vm_exec_core+29321>, 0x6413507f0e72 <vm_exec_core+6786>, 0x6413507f01b8 <vm_exec_core+3528>, 0x6413507f5a13 <vm_exec_core+26147>, 0x6413507f1741 <vm_exec_core+9041>, 0x6413507f6c6c <vm_exec_core+30844>, 0x6413507f685a <vm_exec_core+29802>, 0x6413507f1cb6 <vm_exec_core+10438>, 0x6413507f35a3 <vm_exec_core+16819>, 0x6413507f5723 <vm_exec_core+25395>, 0x6413507f6768 <vm_exec_core+29560>, 0x6413507f427d <vm_exec_core+20109>, 0x6413507f57bb <vm_exec_core+25547>, 0x6413507f5bc9 <vm_exec_core+26585>, 0x6413507f41ba <vm_exec_core+19914>, 0x6413507f00c7 <vm_exec_core+3287>, 0x6413507f4eb5 <vm_exec_core+23237>, 0x6413507eff16 <vm_exec_core+2854>, 0x6413507f0246 <vm_exec_core+3670>, 0x6413507f24e5 <vm_exec_core+12533>, 0x6413507f4102 <vm_exec_core+19730>, 0x6413507f4ccb <vm_exec_core+22747>, 0x6413507f3c2a <vm_exec_core+18490>, 0x6413507efba4 <vm_exec_core+1972>, 0x6413507f5fcf <vm_exec_core+27615>, 0x6413507f659b <vm_exec_core+29099>, 0x6413507f0440 <vm_exec_core+4176>, 0x6413507f1348 <vm_exec_core+8024>, 0x6413507f0fd1 <vm_exec_core+7137>, 0x6413507f1831 <vm_exec_core+9281>, 0x6413507f33c6 <vm_exec_core+16342>, 0x6413507f0952 <vm_exec_core+5474>, 0x6413507f5f16 <vm_exec_core+27430>, 0x6413507f12d6 <vm_exec_core+7910>, 0x6413507f2ed6 <vm_exec_core+15078>, 0x6413507f3916 <vm_exec_core+17702>, 0x6413507f5ab5 <vm_exec_core+26309>, 0x6413507f4664 <vm_exec_core+21108>, 0x6413507f1a9c <vm_exec_core+9900>, 0x6413507f1447 <vm_exec_core+8279>, 0x6413507f5995 <vm_exec_core+26021>, 0x6413507f282e <vm_exec_core+13374>, 0x6413507f4f43 <vm_exec_core+23379>, 0x6413507f4779 <vm_exec_core+21385>, 0x6413507f4523 <vm_exec_core+20787>, 0x6413507f0490 <vm_exec_core+4256>, 0x6413507f3cd1 <vm_exec_core+18657>, 0x6413507f5e71 <vm_exec_core+27265>, 0x6413507f1d60 <vm_exec_core+10608>, 0x6413507f58ba <vm_exec_core+25802>, 0x6413507f1e3b <vm_exec_core+10827>, 0x6413507f4448 <vm_exec_core+20568>, 0x6413507f4537 <vm_exec_core+20807>, 0x6413507f3a6b <vm_exec_core+18043>, 0x6413507f3ebc <vm_exec_core+19148>, 0x6413507f2256 <vm_exec_core+11878>, 0x6413507f18a7 <vm_exec_core+9399>, 0x6413507f552c <vm_exec_core+24892>, 0x6413507fd5f1 <vm_exec_core+57857>, 0x6413507f21a0 <vm_exec_core+11696>, 0x6413507f3daf <vm_exec_core+18879>, 0x6413507f4340 <vm_exec_core+20304>, 0x6413507f0abc <vm_exec_core+5836>, 0x6413507f0c3f <vm_exec_core+6223>, 0x6413507f0bc2 <vm_exec_core+6098>, 0x6413507f13e7 <vm_exec_core+8183>, 0x6413507f17b7 <vm_exec_core+9159>, 0x6413507f37b6 <vm_exec_core+17350>, 0x6413507f2d2e <vm_exec_core+14654>, 0x6413507f37b1 <vm_exec_core+17345>, 0x6413507f41b5 <vm_exec_core+19909>, 0x6413507f40fd <vm_exec_core+19725>, 0x6413507f13e2 <vm_exec_core+8178>, 0x6413507f4523 <vm_exec_core+20787>...}
          reg_cfp = 0x7117923ff720
          reg_pc = 0x50400000a238
          INSN_LABEL_nop = <optimized out>
          INSN_LABEL_getlocal = <optimized out>
          INSN_LABEL_setlocal = <optimized out>
          INSN_LABEL_getblockparam = <optimized out>
          INSN_LABEL_setblockparam = <optimized out>
          INSN_LABEL_getblockparamproxy = <optimized out>
          INSN_LABEL_getspecial = <optimized out>
          INSN_LABEL_setspecial = <optimized out>
          INSN_LABEL_getinstancevariable = <optimized out>
          INSN_LABEL_setinstancevariable = <optimized out>
          INSN_LABEL_getclassvariable = <optimized out>
          INSN_LABEL_setclassvariable = <optimized out>
          INSN_LABEL_opt_getconstant_path = <optimized out>
          INSN_LABEL_getconstant = <optimized out>
          INSN_LABEL_setconstant = <optimized out>
          INSN_LABEL_getglobal = <optimized out>
          INSN_LABEL_setglobal = <optimized out>
          INSN_LABEL_putnil = <optimized out>
          INSN_LABEL_putself = <optimized out>
          INSN_LABEL_putobject = <optimized out>
          INSN_LABEL_putspecialobject = <optimized out>
          INSN_LABEL_putstring = <optimized out>
          INSN_LABEL_putchilledstring = <optimized out>
          INSN_LABEL_concatstrings = <optimized out>
          INSN_LABEL_anytostring = <optimized out>
          INSN_LABEL_toregexp = <optimized out>
          INSN_LABEL_intern = <optimized out>
          INSN_LABEL_newarray = <optimized out>
          INSN_LABEL_pushtoarraykwsplat = <optimized out>
          INSN_LABEL_duparray = <optimized out>
          INSN_LABEL_duphash = <optimized out>
          INSN_LABEL_expandarray = <optimized out>
          INSN_LABEL_concatarray = <optimized out>
          INSN_LABEL_concattoarray = <optimized out>
          INSN_LABEL_pushtoarray = <optimized out>
          INSN_LABEL_splatarray = <optimized out>
          INSN_LABEL_splatkw = <optimized out>
          INSN_LABEL_newhash = <optimized out>
          INSN_LABEL_newrange = <optimized out>
          INSN_LABEL_pop = <optimized out>
          INSN_LABEL_dup = <optimized out>
          INSN_LABEL_dupn = <optimized out>
          INSN_LABEL_swap = <optimized out>
          INSN_LABEL_opt_reverse = <optimized out>
          INSN_LABEL_topn = <optimized out>
          INSN_LABEL_setn = <optimized out>
          INSN_LABEL_adjuststack = <optimized out>
          INSN_LABEL_defined = <optimized out>
          INSN_LABEL_definedivar = <optimized out>
          INSN_LABEL_checkmatch = <optimized out>
          INSN_LABEL_checkkeyword = <optimized out>
          INSN_LABEL_checktype = <optimized out>
          INSN_LABEL_defineclass = <optimized out>
          INSN_LABEL_definemethod = <optimized out>
          INSN_LABEL_definesmethod = <optimized out>
          INSN_LABEL_send = <optimized out>
          INSN_LABEL_sendforward = <optimized out>
          INSN_LABEL_opt_send_without_block = <optimized out>
          INSN_LABEL_opt_new = <optimized out>
          INSN_LABEL_objtostring = <optimized out>
          INSN_LABEL_opt_ary_freeze = <optimized out>
          INSN_LABEL_opt_hash_freeze = <optimized out>
          INSN_LABEL_opt_str_freeze = <optimized out>
          INSN_LABEL_opt_str_uminus = <optimized out>
          INSN_LABEL_opt_duparray_send = <optimized out>
          INSN_LABEL_opt_newarray_send = <optimized out>
          INSN_LABEL_invokesuper = <optimized out>
          INSN_LABEL_invokesuperforward = <optimized out>
          INSN_LABEL_invokeblock = <optimized out>
          INSN_LABEL_leave = <optimized out>
          INSN_LABEL_throw = <optimized out>
          INSN_LABEL_jump = <optimized out>
          INSN_LABEL_branchif = <optimized out>
          INSN_LABEL_branchunless = <optimized out>
          INSN_LABEL_branchnil = <optimized out>
          INSN_LABEL_jump_without_ints = <optimized out>
          INSN_LABEL_branchif_without_ints = <optimized out>
          INSN_LABEL_branchunless_without_ints = <optimized out>
          INSN_LABEL_branchnil_without_ints = <optimized out>
          INSN_LABEL_once = <optimized out>
          INSN_LABEL_opt_case_dispatch = <optimized out>
          INSN_LABEL_invokebuiltin = <optimized out>
          INSN_LABEL_opt_invokebuiltin_delegate = <optimized out>
          INSN_LABEL_opt_invokebuiltin_delegate_leave = <optimized out>
          INSN_LABEL_getlocal_WC_0 = <optimized out>
          INSN_LABEL_getlocal_WC_1 = <optimized out>
          INSN_LABEL_setlocal_WC_0 = <optimized out>
          INSN_LABEL_setlocal_WC_1 = <optimized out>
          INSN_LABEL_putobject_INT2FIX_0_ = <optimized out>
          INSN_LABEL_putobject_INT2FIX_1_ = <optimized out>
          INSN_LABEL_trace_opt_nil_p = <optimized out>
          INSN_LABEL_trace_opt_plus = <optimized out>
          INSN_LABEL_trace_opt_minus = <optimized out>
          INSN_LABEL_trace_opt_mult = <optimized out>
          INSN_LABEL_trace_opt_div = <optimized out>
          INSN_LABEL_trace_opt_mod = <optimized out>
          INSN_LABEL_trace_opt_eq = <optimized out>
          INSN_LABEL_trace_opt_lt = <optimized out>
          INSN_LABEL_trace_opt_le = <optimized out>
          INSN_LABEL_trace_opt_gt = <optimized out>
          INSN_LABEL_trace_opt_ge = <optimized out>
          INSN_LABEL_trace_opt_ltlt = <optimized out>
          INSN_LABEL_trace_opt_and = <optimized out>
          INSN_LABEL_trace_opt_or = <optimized out>
          INSN_LABEL_trace_opt_aref = <optimized out>
          INSN_LABEL_trace_opt_aset = <optimized out>
          INSN_LABEL_trace_opt_length = <optimized out>
          INSN_LABEL_trace_opt_size = <optimized out>
          INSN_LABEL_trace_opt_empty_p = <optimized out>
          INSN_LABEL_trace_opt_succ = <optimized out>
          INSN_LABEL_trace_opt_not = <optimized out>
          INSN_LABEL_trace_opt_regexpmatch2 = <optimized out>
  #46 0x00006413507ea971 in vm_exec_loop (ec=0x5170000000d8, state=<optimized out>, tag=<optimized out>, result=<optimized out>) at /tmp/ruby/src/trunk_asan/vm.c:2825
  No locals.
  #47 rb_vm_exec (ec=<optimized out>) at /tmp/ruby/src/trunk_asan/vm.c:2804
          _ec = 0x5170000000d8
          _tag = <optimized out>
          state = <optimized out>
          result = 36
  #48 0x0000641350833e66 in rb_iseq_eval_main (iseq=<optimized out>) at /tmp/ruby/src/trunk_asan/vm.c:3064
          ec = 0x5170000000d8
          val = <optimized out>
  #49 0x0000641350414c80 in rb_ec_exec_node (ec=0x5170000000d8, n=0x71179471a5a8) at /tmp/ruby/src/trunk_asan/eval.c:283
          _ec = 0x5170000000d8
          _tag = {tag = 36, retval = <optimized out>, buf = {0x7ffdeb693430, <optimized out>, 0x7ffdeb693380, <optimized out>, <optimized out>}, prev = 0x0, state = RUBY_TAG_NONE, lock_rec = 0}
          state = 0
          iseq = 0x71179471a5a8
  #50 ruby_run_node (n=<optimized out>) at /tmp/ruby/src/trunk_asan/eval.c:321
          ec = 0x5170000000d8
          status = <optimized out>
  #51 0x000064135040dbb7 in rb_main (argc=11, argv=0x7ffdeb693608) at /tmp/ruby/src/trunk_asan/main.c:42
          variable_in_this_stack_frame = <optimized out>
  #52 main (argc=11, argv=0x7ffdeb693608) at /tmp/ruby/src/trunk_asan/main.c:62
  No locals.
  >>> Dump Ruby level backtrace (if possible)
  [Detaching after fork from child process 3307121]
  /usr/bin/llvm-symbolizer-17: error: '[stack]': No such file or directory
      #0 0x64135088d7bb in control_frame_dump /tmp/ruby/src/trunk_asan/vm_dump.c:57:25
      #1 0x64135088d7bb in rb_vmdebug_stack_dump_raw /tmp/ruby/src/trunk_asan/vm_dump.c:495:9
      #2 0x6413508905bd in rb_vmdebug_stack_dump_all_threads /tmp/ruby/src/trunk_asan/vm_dump.c:1621:14
      #3 0x7ffdeb6906fe  ([stack]+0x1b6fe)
  0x7117923ff4d8 is located 1047768 bytes inside of 1048576-byte region [0x7117922ff800,0x7117923ff800)
  freed by thread T0 here:
      #0 0x6413503cfbda in free (/tmp/ruby/build/trunk_asan/ruby+0x208bda) (BuildId: 541493ff7e7f3ffd84fc0fd8ea3434d6642e032a)
      #1 0x641350454a15 in rb_gc_impl_free /tmp/ruby/src/trunk_asan/gc/default/default.c:8278:9
      #2 0x641350454a15 in ruby_sized_xfree /tmp/ruby/src/trunk_asan/gc.c:5483:13
      #3 0x6413507479ca in rb_threadptr_sched_free /tmp/ruby/src/trunk_asan/thread_pthread.c:2354:5
      #4 0x641350836d38 in thread_free /tmp/ruby/src/trunk_asan/vm.c:3803:5
      #5 0x641350836d38 in ruby_vm_destruct /tmp/ruby/src/trunk_asan/vm.c:3406:13
      #6 0x641350414240 in rb_ec_cleanup /tmp/ruby/src/trunk_asan/eval.c:265:5
      #7 0x641350413853 in ruby_cleanup /tmp/ruby/src/trunk_asan/eval.c:180:12
      #8 0x64135041476a in ruby_stop /tmp/ruby/src/trunk_asan/eval.c:292:10
      #9 0x6413505bd63c in rb_f_fork /tmp/ruby/src/trunk_asan/process.c:4291:13
      #10 0x64135085b747 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3905:11
      #11 0x641350840cf4 in vm_call_method_each_type /tmp/ruby/src/trunk_asan/vm_insnhelper.c:4891:16
      #12 0x641350840784 in vm_call_method /tmp/ruby/src/trunk_asan/vm_insnhelper.c
      #13 0x6413507f527f in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:6127:15
      #14 0x6413507f527f in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:857:11
      #15 0x6413507ea581 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2798:22
      #16 0x64135087c541 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1820:12
      #17 0x64135087c541 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1834:20
      #18 0x64135081c96b in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1871:12
      #19 0x64135081c96b in vm_yield /tmp/ruby/src/trunk_asan/vm.c:1879:12
      #20 0x64135081c96b in rb_yield_0 /tmp/ruby/src/trunk_asan/vm_eval.c:1362:12
      #21 0x64135081c96b in rb_yield /tmp/ruby/src/trunk_asan/vm_eval.c
      #22 0x6413509fc805 in rb_ary_collect /tmp/ruby/src/trunk_asan/array.c:3779:30
      #23 0x64135085b747 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3905:11
      #24 0x6413507f527f in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:6127:15
      #25 0x6413507f527f in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:857:11
      #26 0x6413507ea970 in vm_exec_loop /tmp/ruby/src/trunk_asan/vm.c:2825:22
      #27 0x6413507ea970 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2804:18
      #28 0x64135087c541 in invoke_iseq_block_from_c /tmp/ruby/src/trunk_asan/vm.c:1820:12
      #29 0x64135087c541 in invoke_block_from_c_bh /tmp/ruby/src/trunk_asan/vm.c:1834:20
      #30 0x64135081c96b in vm_yield_with_cref /tmp/ruby/src/trunk_asan/vm.c:1871:12
      #31 0x64135081c96b in vm_yield /tmp/ruby/src/trunk_asan/vm.c:1879:12
      #32 0x64135081c96b in rb_yield_0 /tmp/ruby/src/trunk_asan/vm_eval.c:1362:12
      #33 0x64135081c96b in rb_yield /tmp/ruby/src/trunk_asan/vm_eval.c
      #34 0x6413509fc805 in rb_ary_collect /tmp/ruby/src/trunk_asan/array.c:3779:30
      #35 0x64135085b747 in vm_call_cfunc_with_frame_ /tmp/ruby/src/trunk_asan/vm_insnhelper.c:3905:11
      #36 0x6413507f527f in vm_sendish /tmp/ruby/src/trunk_asan/vm_insnhelper.c:6127:15
      #37 0x6413507f527f in vm_exec_core /tmp/ruby/build/trunk_asan/../../src/trunk_asan/insns.def:857:11
      #38 0x6413507ea970 in vm_exec_loop /tmp/ruby/src/trunk_asan/vm.c:2825:22
      #39 0x6413507ea970 in rb_vm_exec /tmp/ruby/src/trunk_asan/vm.c:2804:18
      #40 0x641350833e65 in rb_iseq_eval_main /tmp/ruby/src/trunk_asan/vm.c:3064:11
      #41 0x641350414c7f in rb_ec_exec_node /tmp/ruby/src/trunk_asan/eval.c:283:9
      #42 0x641350414c7f in ruby_run_node /tmp/ruby/src/trunk_asan/eval.c:321:30
      #43 0x64135040dbb6 in rb_main /tmp/ruby/src/trunk_asan/main.c:42:12
      #44 0x64135040dbb6 in main /tmp/ruby/src/trunk_asan/main.c:62:12
      #45 0x711794e2a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
      #46 0x711794e2a28a in __libc_start_main csu/../csu/libc-start.c:360:3
  previously allocated by thread T0 here:
      #0 0x6413503cfe82 in malloc (/tmp/ruby/build/trunk_asan/ruby+0x208e82) (BuildId: 541493ff7e7f3ffd84fc0fd8ea3434d6642e032a)
      #1 0x64135049417b in rb_gc_impl_malloc /tmp/ruby/src/trunk_asan/gc/default/default.c:8293:5
      #2 0x64135045ba73 in ruby_xmalloc2_body /tmp/ruby/src/trunk_asan/gc.c:5404:12
      #3 0x64135045ba73 in ruby_xmalloc2 /tmp/ruby/src/trunk_asan/gc.c:5398:34
      #4 0x6413508389f8 in th_init /tmp/ruby/src/trunk_asan/vm.c:3928:24
      #5 0x64135083c2e3 in Init_BareVM /tmp/ruby/src/trunk_asan/vm.c:4602:5
      #6 0x641350410ef8 in ruby_setup /tmp/ruby/src/trunk_asan/eval.c:79:5
      #7 0x641350411616 in ruby_init /tmp/ruby/src/trunk_asan/eval.c:100:17
      #8 0x64135040dba3 in rb_main /tmp/ruby/src/trunk_asan/main.c:41:5
      #9 0x64135040dba3 in main /tmp/ruby/src/trunk_asan/main.c:62:12
      #10 0x711794e2a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
      #11 0x711794e2a28a in __libc_start_main csu/../csu/libc-start.c:360:3
      #12 0x641350331984 in _start (/tmp/ruby/build/trunk_asan/ruby+0x16a984) (BuildId: 541493ff7e7f3ffd84fc0fd8ea3434d6642e032a)
  SUMMARY: AddressSanitizer: heap-use-after-free /tmp/ruby/src/trunk_asan/vm_dump.c:57:25 in control_frame_dump
  Shadow bytes around the buggy address:
    0x7117923ff200: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
    0x7117923ff280: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
    0x7117923ff300: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
    0x7117923ff380: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
    0x7117923ff400: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  =>0x7117923ff480: fd fd fd fd fd fd fd fd fd fd fd[fd]fd fd fd fd
    0x7117923ff500: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
    0x7117923ff580: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
    0x7117923ff600: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
    0x7117923ff680: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
    0x7117923ff700: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  Shadow byte legend (one shadow byte represents 8 application bytes):
    Addressable:           00
    Partially addressable: 01 02 03 04 05 06 07 
    Heap left redzone:       fa
    Freed heap region:       fd
    Stack left redzone:      f1
    Stack mid redzone:       f2
    Stack right redzone:     f3
    Stack after return:      f5
    Stack use after scope:   f8
    Global redzone:          f9
    Global init order:       f6
    Poisoned by user:        f7
    Container overflow:      fc
    Array cookie:            ac
    Intra object redzone:    bb
    ASan internal:           fe
    Left alloca redzone:     ca
    Right alloca redzone:    cb
  ==2813978==ABORTING
  AddressSanitizer: nested bug in the same thread, aborting.
  [Inferior 1 (process 2813978) exited with code 01]
  #<Thread:0x000071176f0e0428 /tmp/ruby/src/trunk_asan/test/fiber/test_process.rb:65 run> terminated with exception (report_on_exception is true):
  /tmp/ruby/src/trunk_asan/tool/lib/test/unit/assertions.rb:109:in 'Test::Unit::Assertions#assert': Expected #<Process::Status: pid 2813978 exit 1> to be success?. (Test::Unit::AssertionFailedError)
  	from /tmp/ruby/src/trunk_asan/tool/lib/core_assertions.rb:630:in 'Test::Unit::CoreAssertions#assert'
  	from /tmp/ruby/src/trunk_asan/tool/lib/test/unit/assertions.rb:265:in 'Test::Unit::Assertions#assert_predicate'
  	from /tmp/ruby/src/trunk_asan/test/fiber/test_process.rb:72:in 'block (2 levels) in TestFiberProcess#test_fork'
  #<Errno::ESRCH: No such process>
  $ timeout 60 gdb -p 2792186 -x /home/ko1/build-ruby/gdbscript -batch -quiet 2> /dev/null
  >>> Threads
  No threads.
  >>> Machine level backtrace
  >>> Dump Ruby level backtrace (if possible)
    1) Failure:
  TestFiberProcess#test_fork [/tmp/ruby/src/trunk_asan/test/fiber/test_process.rb:72]:
  Expected #<Process::Status: pid 2813978 exit 1> to be success?.
  #<Errno::ESRCH: No such process>
  $ timeout 60 gdb -p 2792178 -x /home/ko1/build-ruby/gdbscript -batch -quiet 2> /dev/null
  make: *** [uncommon.mk:916: yes-test-all] Error 1
  >>> Threads
  No threads.
  >>> Machine level backtrace
  >>> Dump Ruby level backtrace (if possible)
  #<Errno::ESRCH: No such process>
  $ timeout 60 gdb -p 2791848 -x /home/ko1/build-ruby/gdbscript -batch -quiet 2> /dev/null
  >>> Threads
  No threads.
  >>> Machine level backtrace
  >>> Dump Ruby level backtrace (if possible)
  #<Errno::ESRCH: No such process>
  $ timeout 60 gdb -p 2791847 -x /home/ko1/build-ruby/gdbscript -batch -quiet 2> /dev/null
  Could not attach to process.  If your uid matches the uid of the target
  process, check the setting of /proc/sys/kernel/yama/ptrace_scope, or try
  again as the root user.  For more details, see /etc/sysctl.d/10-ptrace.conf
  >>> Threads
  No threads.
  >>> Machine level backtrace
  >>> Dump Ruby level backtrace (if possible)
  $ timeout 60 gdb -p 3307106 -x /home/ko1/build-ruby/gdbscript -batch -quiet 2> /dev/null
  >>> Threads
  No threads.
  >>> Machine level backtrace
  >>> Dump Ruby level backtrace (if possible)
  #<Errno::ESRCH: No such process>
  "make yes-test-rubyspec MSPECOPT='--error-output stderr -j' TESTS='-j16'" exit with 0.
  

• Linux ruby-sp1 6.8.0-100-generic #100-Ubuntu SMP PREEMPT_DYNAMIC Tue Jan 13 16:40:06 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux
  

• Logfile: /home/ko1/ruby/logs/brlog.trunk_asan.20260226-134527
  #<BuildRuby:0x0000743130b0fdd0
   @BUILD_DIR="/tmp/ruby/build",
   @INSTALL_DIR="/tmp/ruby/install",
   @REPOSITORY="https://github.com/ruby/ruby.git",
   @REPOSITORY_TYPE=:git,
   @SRC_DIR="/tmp/ruby/src",
   @TARGET_BUILD_DIR="/tmp/ruby/build/trunk_asan",
   @TARGET_INSTALL_DIR="/tmp/ruby/install/trunk_asan",
   @TARGET_NAME="trunk_asan",
   @TARGET_SRC_DIR="/tmp/ruby/src/trunk_asan",
   @btest_opts="-j16",
   @build_opts="-j16",
   @configure_opts=
    ["'CC=clang-17' 'cflags=-fsanitize=address -fno-omit-frame-pointer -DUSE_MN_THREADS=0'"],
   @gist=false,
   @git_branch=nil,
   @git_tag=nil,
   @git_worktree=nil,
   @incremental=true,
   @logfile="/home/ko1/ruby/logs/brlog.trunk_asan.20260226-134527",
   @make="make",
   @no_timeout_error=true,
   @quiet=false,
   @ruby_env=[["RUBY_DEBUG", "ci"], ["RUBY_TEST_TIMEOUT_SCALE", "50"]],
   @spec_opts="-j",
   @steps=
    ["checkout",
     "autoconf",
     "configure",
     "build_up",
     "build_miniruby",
     "build_ruby",
     "build_all",
     "build_install",
     "test_basic",
     "test_all",
     "test_rubyspec"],
   @svn_revision=nil,
   @test_opts="TESTS='-j16'",
   @timeout=600>
                             user     system      total        real
  checkout               0.000013   0.000000   0.000013 (  0.000013)
  autoconf               0.000034   0.000000   0.000034 (  0.000033)
  configure              0.000017   0.000000   0.000017 (  0.000018)
  build_up               0.001393   0.002936   1.102070 (  1.436385)
  build_miniruby         0.001185   0.000000   0.850551 (  0.830495)
  build_ruby             0.000833   0.000595   1.437636 (  1.435629)
  build_all              0.004909   0.001189  17.613442 (  2.152982)
  build_install          0.008874   0.003419  19.702939 (  3.939430)
  test_basic             0.004787   0.001712   1.189825 (  1.237191)
  test_all               0.126616   0.056158 2863.515823 (600.904650)
  test_rubyspec          0.090133   0.054041 586.541574 ( 48.761969)
  total: 660.70 sec