Bus error: 10 - no explanation

[kevmoo]

1. git clone https://github.com/kevmoo/vote.dart
2. cd vote.dart/
3. git checkout repo_bug_fun
4. pub install
5. dart test/vote/irv_test.dart

Fails with Bus error: 10 in latest dev build and latest bleeding edge.

[ghost]

thread #2: tid = 0x13096, 0x00044e07 dartdart::AtomicOperations::CompareAndSwapWord(ptr=0x0108c308, old_value=4063746, new_value=4129282) + 39 at atomic_macos.h:28, stop reason = EXC_BAD_ACCESS (code=2, address=0x108c308) frame #0: 0x00044e07 dartdart::AtomicOperations::CompareAndSwapWord(ptr=0x0108c308, old_value=4063746, new_value=4129282) + 39 at atomic_macos.h:28 25 inline uword AtomicOperations::CompareAndSwapWord(uword* ptr, 26 uword old_value, 27 uword new_value) { -> 28 return __sync_val_compare_and_swap(ptr, old_value, new_value); 29 } 30 #endif // !defined(USING_SIMULATOR) 31

• thread #2: tid = 0x13096, 0x00044e07 dart`dart::AtomicOperations::CompareAndSwapWord(ptr=0x0108c308, old_value=4063746, new_value=4129282) + 39 at atomic_macos.h:28, stop reason = EXC_BAD_ACCESS (code=2, address=0x108c308)
  • frame #0: 0x00044e07 dartdart::AtomicOperations::CompareAndSwapWord(ptr=0x0108c308, old_value=4063746, new_value=4129282) + 39 at atomic_macos.h:28 frame #1: 0x00522a91 dartdart::Object::CompareAndSwapTags(this=0xb0101a9c, old_tags=4063746, new_tags=4129282) const + 65 at object.h:249 frame #2: 0x003d886a dartdart::Array::MakeImmutable(this=0xb0101a9c) const + 106 at object.cc:19743 frame #3: 0x000c0697 dartdart::DN_HelperInternal_makeFixedListUnmodifiable(isolate=0x0189c400, thread=0x01400000, zone=0xb0101680, arguments=0xb0101cc4) + 231 at growable_array.cc:101 frame #4: 0x000c0477 dart`dart::BootstrapNatives::DN_Internal_makeFixedListUnmodifiable(args=0xb0101cc4) + 743 at growable_array.cc:99 frame #5: 0x01200360 frame #6: 0x075ad3ac

[kevmoo]

Confirmed in 3ba3667926fe2c3590e0c8da2ccb066191530648 Thanks!