https://issues.dlang.org/show_bug.cgi?id=21919
--- Comment #3 from Iain Buclaw <[email protected]> --- Process 65900 stopped * thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=2, address=0x100c8cc70) frame #0: 0x00007fff203794e0 libsystem_pthread.dylib`___chkstk_darwin + 96 libsystem_pthread.dylib`___chkstk_darwin: -> 0x7fff203794e0 <+96>: testq %rcx, (%rcx) 0x7fff203794e3 <+99>: popq %rcx 0x7fff203794e4 <+100>: retq libsystem_pthread.dylib`pthread_getspecific: 0x7fff203794e5 <+0>: movq %gs:(,%rdi,8), %rax Target 0: (test_runner) stopped. (lldb) bt * thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=2, address=0x100c8cc70) * frame #0: 0x00007fff203794e0 libsystem_pthread.dylib`___chkstk_darwin + 96 frame #1: 0x00007fff20379480 libsystem_pthread.dylib`thread_start + 20 frame #2: 0x00007fff2a542a9c libunwind.dylib`libunwind::UnwindCursor<libunwind::LocalAddressSpace, libunwind::Registers_x86_64>::step() + 476 frame #3: 0x00007fff2a5446ee libunwind.dylib`_Unwind_RaiseException + 189 frame #4: 0x00000001001bbeb8 test_runner`_d_throwdwarf at dwarfeh.d:317 frame #5: 0x0000000100188b84 test_runner`_D4core6thread5fiber19__unittest_L1679_C1FZ9__lambda1MFNaNbNfZv at fiber.d:1686 frame #6: 0x000000010018fb85 test_runner`_D4core6thread7context8Callable6opCallMFZv at context.d:46 frame #7: 0x0000000100187ac5 test_runner`_D4core6thread5fiber5Fiber3runMFZv at fiber.d:869 frame #8: 0x000000010018749f test_runner`fiber_entryPoint at fiber.d:157 --
