generating golf_prelude.c
=================================================================
==39298==ERROR: AddressSanitizer: use-after-poison on address 0x00010a300e20 at pc 0x000104962790 bp 0x7ff7bbc865d0 sp 0x7ff7bbc865c8
READ of size 8 at 0x00010a300e20 thread T0
    #0 0x10496278f in iterate_over_shapes_with_callback variable.c:1610
    #1 0x104957505 in obj_ivar_each variable.c:1626
    #2 0x10495734d in rb_ivar_foreach variable.c:1718
    #3 0x1045e43c5 in inspect_obj object.c:675
    #4 0x1048abad4 in exec_recursive thread.c:5177
    #5 0x1048aa9eb in rb_exec_recursive thread.c:5205
    #6 0x1045dcf41 in rb_obj_inspect object.c:718
    #7 0x104a31d48 in ractor_safe_call_cfunc_0 vm_insnhelper.c:3072
    #8 0x104a39b4c in vm_call0_cfunc_with_frame vm_eval.c:150
    #9 0x104a37934 in vm_call0_cfunc vm_eval.c:164
    #10 0x1049c48af in vm_call0_body vm_eval.c:210
    #11 0x104a3aff9 in vm_call0_cc vm_eval.c:87
    #12 0x1049c7c31 in rb_funcallv_scope vm_eval.c:1051
    #13 0x1049be0c9 in rb_funcallv vm_eval.c:1066
    #14 0x1045d302f in rb_inspect object.c:631
    #15 0x1044c5729 in rb_f_p io.c:8987
    #16 0x104a31d0f in ractor_safe_call_cfunc_m1 vm_insnhelper.c:3065
    #17 0x104a0ceb5 in vm_call_cfunc_with_frame vm_insnhelper.c:3255
    #18 0x1049f5987 in vm_call_cfunc vm_insnhelper.c:3276
    #19 0x1049f36db in vm_call_method_each_type vm_insnhelper.c:3907
    #20 0x1049f3126 in vm_call_method vm_insnhelper.c:4042
    #21 0x10496ee44 in vm_call_general vm_insnhelper.c:4075
    #22 0x104a1ab2b in vm_sendish vm_insnhelper.c:5062
    #23 0x10498fdc1 in vm_exec_core insns.def:820
    #24 0x1049db644 in rb_vm_exec vm.c:2378
    #25 0x1049cc7a7 in eval_string_with_scope vm_eval.c:1791
    #26 0x1049cbfa7 in rb_f_eval vm_eval.c:1834
    #27 0x104a31d0f in ractor_safe_call_cfunc_m1 vm_insnhelper.c:3065
    #28 0x104a0ceb5 in vm_call_cfunc_with_frame vm_insnhelper.c:3255
    #29 0x1049f5987 in vm_call_cfunc vm_insnhelper.c:3276
    #30 0x1049f36db in vm_call_method_each_type vm_insnhelper.c:3907
    #31 0x1049f3126 in vm_call_method vm_insnhelper.c:4042
    #32 0x10496ee44 in vm_call_general vm_insnhelper.c:4075
    #33 0x104a1ab2b in vm_sendish vm_insnhelper.c:5062
    #34 0x10498fdc1 in vm_exec_core insns.def:820
    #35 0x1049db644 in rb_vm_exec vm.c:2378
    #36 0x104a3f3cc in invoke_block vm.c:1406
    #37 0x104a3e7f3 in invoke_block_from_c_bh vm.c:1480
    #38 0x1049ce642 in vm_yield_with_cref vm.c:1517
    #39 0x104a3b7a0 in vm_yield vm.c:1525
    #40 0x1049c9239 in rb_yield_0 vm_eval.c:1348
    #41 0x1049c938b in rb_yield vm_eval.c:1364
    #42 0x1042781ac in rb_ary_collect array.c:3830
    #43 0x104a31d48 in ractor_safe_call_cfunc_0 vm_insnhelper.c:3072
    #44 0x104a0ceb5 in vm_call_cfunc_with_frame vm_insnhelper.c:3255
    #45 0x1049f5987 in vm_call_cfunc vm_insnhelper.c:3276
    #46 0x1049f36db in vm_call_method_each_type vm_insnhelper.c:3907
    #47 0x1049f3053 in vm_call_method vm_insnhelper.c:4031
    #48 0x10496ee44 in vm_call_general vm_insnhelper.c:4075
    #49 0x104a1ab2b in vm_sendish vm_insnhelper.c:5062
    #50 0x10498f63d in vm_exec_core insns.def:801
    #51 0x1049db781 in rb_vm_exec vm.c:2387
    #52 0x1049dfd74 in rb_iseq_eval_main vm.c:2637
    #53 0x10440235a in rb_ec_exec_node eval.c:283
    #54 0x104401daa in ruby_run_node eval.c:324
    #55 0x10425c957 in rb_main main.c:38
    #56 0x10425c7d9 in main main.c:57
    #57 0x10f58f52d in start+0x1cd (dyld:x86_64+0x552d)

0x00010a300e20 is located 33525280 bytes inside of 33554432-byte region [0x000108308000,0x00010a308000)
allocated by thread T0 here:
    #0 0x1058495e3 in wrap_posix_memalign+0xb3 (libclang_rt.asan_osx_dynamic.dylib:x86_64h+0x4b5e3)
    #1 0x10444e301 in rb_aligned_malloc gc.c:11897
    #2 0x104936089 in transient_heap_block_alloc transient_heap.c:305
    #3 0x104935d4b in Init_TransientHeap transient_heap.c:453
    #4 0x1044aa1dd in rb_call_inits inits.c:25
    #5 0x1043fef54 in ruby_setup eval.c:89
    #6 0x1043ff27c in ruby_init eval.c:101
    #7 0x10425c943 in rb_main main.c:37
    #8 0x10425c7d9 in main main.c:57
    #9 0x10f58f52d in start+0x1cd (dyld:x86_64+0x552d)

SUMMARY: AddressSanitizer: use-after-poison variable.c:1610 in iterate_over_shapes_with_callback
Shadow bytes around the buggy address:
  0x100021460170: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x100021460180: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x100021460190: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x1000214601a0: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x1000214601b0: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
=>0x1000214601c0: f7 f7 f7 f7[f7]f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x1000214601d0: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x1000214601e0: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x1000214601f0: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x100021460200: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x100021460210: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
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
==39298==ABORTING