[phobos] OSX/64 Phobos unittest failure

[Andrei Alexandrescu]

Before I look into this, I wonder if this is known. On my OSX, make 
unittest fails with the message below. Has anyone seen it?

std.file.FileException at std/file.d(1492): /tmp/deleteme/a: Not a directory
----------------
5   file                                0x00073d42 void 
std.file.mkdir(const(char[])) + 94
6   file                                0x00073dc9 void 
std.file.mkdirRecurse(const(char[])) + 105
7   file                                0x00073d9c void 
std.file.mkdirRecurse(const(char[])) + 60
8   file                                0x00073d9c void 
std.file.mkdirRecurse(const(char[])) + 60
9   file                                0x00073d9c void 
std.file.mkdirRecurse(const(char[])) + 60
10  file                                0x00073d9c void 
std.file.mkdirRecurse(const(char[])) + 60
11  file                                0x00073d9c void 
std.file.mkdirRecurse(const(char[])) + 60
12  file                                0x00073d9c void 
std.file.mkdirRecurse(const(char[])) + 60
13  file                                0x000755cf void 
std.file.__unittest20() + 95
14  file                                0x0007229f void 
std.file.__modtest() + 91
15  file                                0x00090705 extern (C) bool 
core.runtime.runModuleUnitTests().int __foreachbody279(ref 
object.ModuleInfo*) + 45
16  file                                0x0009fa9a int 
rt.minfo.moduleinfos_apply(scope int delegate(ref object.ModuleInfo*)) + 66
17  file                                0x000905f6 runModuleUnitTests + 134
18  file                                0x0009b6da extern (C) int 
rt.dmain2.main(int, char**).void runAll() + 38
19  file                                0x0009b068 extern (C) int 
rt.dmain2.main(int, char**).void tryExec(scope void delegate()) + 24
20  file                                0x0009b008 main + 184
21  file                                0x00072231 start + 53
22  ???                                 0x00000001 0x0 + 1


Andrei