Stack traces with DMD on OSX

[pineapple]

When I run code on OSX and it produces a stack trace, the output 
uses mangled symbols and is missing line numbers, like so - how 
can I change these stack traces to be more readable?

0   objectpool                          0x0000000104e9a3bc 
_D4core7runtime18runModuleUnitTestsUZ19unittestSegvHandlerUNbNiiPS4core3sys5posix6signal9siginfo_tPvZv + 56
1   libsystem_platform.dylib            0x00007fff8bd5b5aa 
_sigtramp + 26
2   ???                                 0x0000000000000002 0x0 + 2
3   objectpool                          0x0000000104ea994b 
D2gc4impl12conservative2gc14ConservativeGC200__T9runLockedS79_D2gc4impl12conservative2gc14ConservativeGC12mallocNoSyncMFNbmkKmxC8TypeInfoZPvS40_D2gc4impl12conservative2gc10mallocTimelS40_D2gc4impl12conservative2gc10numMallocslTmTkTmTxC8TypeInfoZ9runLockedMFNbKmKkKmKxC8TypeInfoZPv + 147
4   objectpool                          0x0000000104ea3463 
D2gc4impl12conservative2gc14ConservativeGC6qallocMFNbmkxC8TypeInfoZS4core6memory8BlkInfo_ + 115
5   objectpool                          0x0000000104ea26a3 
gc_qalloc + 51
6   objectpool                          0x0000000104eaf5a8 
D2rt8lifetime12__arrayAllocFNaNbmxC8TypeInfoxC8TypeInfoZS4core6memory8BlkInfo_ + 236
7   objectpool                          0x0000000104eb3d9a 
_d_arrayliteralTX + 102
8   objectpool                          0x0000000104cf7c2c 
D4mach3sys6memory19__unittestL120_1062FZv + 240
9   objectpool                          0x00000001049f8496 
_D4mach3sys6memory9__modtestFZv + 14
10  objectpool                          0x0000000104e9a409 
D4core7runtime18runModuleUnitTestsUZ14__foreachbody2MFPS6object10ModuleInfoZi + 45
11  objectpool                          0x0000000104e9067f 
D6object10ModuleInfo7opApplyFMDFPS6object10ModuleInfoZiZ9__lambda2MFyPS6object10ModuleInfoZi + 35
12  objectpool                          0x0000000104eb5c56 
D2rt5minfo17moduleinfos_applyFMDFyPS6object10ModuleInfoZiZ14__foreachbody2MFKS2rt19sections_osx_x86_6412SectionGroupZi + 86
13  objectpool                          0x0000000104eb5be1 
D2rt5minfo17moduleinfos_applyFMDFyPS6object10ModuleInfoZiZi + 33
14  objectpool                          0x0000000104e90656 
D6object10ModuleInfo7opApplyFMDFPS6object10ModuleInfoZiZi + 34
15  objectpool                          0x0000000104e9a2f3 
runModuleUnitTests + 127
16  objectpool                          0x0000000104eaddc3 
D2rt6dmain211_d_run_mainUiPPaPUAAaZiZ6runAllMFZv + 23
17  objectpool                          0x0000000104eadd5c 
D2rt6dmain211_d_run_mainUiPPaPUAAaZiZ7tryExecMFMDFZvZv + 32
18  objectpool                          0x0000000104eadcc7 
_d_run_main + 459
19  objectpool                          0x00000001049f8caa main + 
34
20  libdyld.dylib                       0x00007fff854835fd start 
+ 1