[phobos] Is the build broken?

[Andrei Alexandrescu]

I just updated everything (dmd, druntime, phobos) and make unittest 
fails for phobos on OSX/32 with the error below. Is it reproducible?

core.exception.AssertError at std/regex.d(7138): bmatch(R,RegEx) if 
(is(RegEx == Regex!(BasicElementOf!(R)))): mismatch pattern #204: 
\b\w+\b expected: abde4 vs de
----------------
5   regex                               0x001086b6 _d_assert_msg + 26
6   regex                               0x0008a25d void 
std.regex.__unittest7().void 
__T9run_testsS173std5regex6bmatchZ.run_tests() + 82613
7   regex                               0x00005fd5 void 
std.regex.__unittest7() + 13
8   regex                               0x00001fb1 void 
std.regex.__modtest() + 21
9   regex                               0x000ff8b1 extern (C) bool 
core.runtime.runModuleUnitTests().int __foreachbody265(ref 
object.ModuleInfo*) + 45
10  regex                               0x000fa617 int 
object.ModuleInfo.opApply(scope int delegate(ref object.ModuleInfo*)) + 79
11  regex                               0x000ff7a2 runModuleUnitTests + 134
12  regex                               0x00108e2f extern (C) int 
rt.dmain2.main(int, char**).void runAll() + 43
13  regex                               0x001089a1 extern (C) int 
rt.dmain2.main(int, char**).void tryExec(scope void delegate()) + 29
14  regex                               0x0010893b main + 179
15  regex                               0x00001f89 start + 53
16  ???                                 0x00000001 0x0 + 1


Thanks,

Andrei