https://issues.dlang.org/show_bug.cgi?id=20862
--- Comment #1 from [email protected] --- Full stack trace: Program received signal SIGSEGV, Segmentation fault. _D2gc4impl12conservativeQw3Gcx10smallAllocMFNbmKmkxC8TypeInfoZPv (this=..., ti=0x7ffffffeda68, bits=0, alloc_size=@0x7ffffffedae8: 16, size=16) at src/gc/impl/conservative/gc.d:1686 1686 auto biti = (p - pool.baseAddr) >> pool.shiftBy; (gdb) bt #0 _D2gc4impl12conservativeQw3Gcx10smallAllocMFNbmKmkxC8TypeInfoZPv (this=..., ti=0x7ffffffeda68, bits=0, alloc_size=@0x7ffffffedae8: 16, size=16) at src/gc/impl/conservative/gc.d:1686 #1 0x000000000807ff73 in _D2gc4impl12conservativeQw14ConservativeGC__T9runLockedS_DQCeQCeQCcQCnQBs12mallocNoSyncMFNbmkKmxC8TypeInfoZPvS_DQEgQEgQEeQEp10mallocTimelS_DQFiQFiQFgQFr10numMallocslTmTkTmTxQCzZQFcMFNbKmKkKmKxQDsZQDl (this=0x84ac0a0, _param_3=@0x7ffffffedb08: 0x0, _param_2=@0x7ffffffedae8: 16, _param_1=@0x7ffffffedb10: 0, _param_0=@0x7ffffffedb18: 16) at src/gc/impl/conservative/gc.d:1627 #2 0x0000000008072bcf in _D2gc4impl12conservativeQw14ConservativeGC6qallocMFNbmkxC8TypeInfoZS4core6memory8BlkInfo_ ( this=0x84ac0a0, __HID14=0x7ffffffedbf0, ti=0x0, bits=0, size=16) at src/gc/impl/conservative/gc.d:417 #3 0x000000000803f283 in gc_qalloc (__HID19=0x7ffffffedbf0, sz=16, ba=0, ti=0x0) at src/gc/proxy.d:36 #4 0x000000000803ed77 in _D4core6memory2GC6qallocFNaNbmkxC8TypeInfoZSQBqQBo8BlkInfo_ (__HID3=0x7ffffffedbf0, ti=0x0, ba=0, sz=16) at src/core/memory.d:523 #5 0x000000000803eb55 in D main () at d_do_test.d:11 --
