[phobos] std.file unittests seg faulting on OSX

[Walter Bright]

0   file                                0x0001df2b 
_D4core7runtime18runModuleUnitTestsUZb19unittestSegvHandlerUiPS4core3sys5posix6signal9siginfo_tPvZv 
+ 47
1   libSystem.B.dylib                   0x90c0942b _sigtramp + 43
2   ???                                 0xffffffff 0x0 + 4294967295
make[2]: *** [generated/osx/debug/32/unittest/std/file] Segmentation fault
make[2]: *** Deleting file `generated/osx/debug/32/unittest/std/file'
make[1]: *** [unittest] Error 2
make: *** [unittest] Error 2

Anyone want to look into this?