[Bug sanitizer/58994] asan.exp regressions on x86_64 darwin at -m64 but not -m32 at r204372

["howarth at nitro dot med.uc.edu" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58994

--- Comment #17 from Jack Howarth <howarth at nitro dot med.uc.edu> ---
(In reply to Alexander Potapenko from comment #16)
> I've actually removed the Foundation linkage from LLVM today.

Unfortunately, that is impossible to test here. A remerge of llvm libsanitizer
at 194597 with gcc trunk at r204752 bootstraps on x86_64-apple-darwin12 but
shows
lots of new test suite failures in asan.exp...

FAIL: c-c++-common/asan/global-overflow-1.c  -O0  output pattern test, is dyld:
Symbol not found: __ZN11__sanitizer10Symbolizer21symbolizer_allocator_E
  Referenced from:
/sw/src/fink.build/gcc49-4.9.0-1000/darwin_objdir/x86_64-apple-darwin12.5.0/i386/libsanitizer/asan/.libs/libasan.1.dylib
  Expected in: flat namespace
 in
/sw/src/fink.build/gcc49-4.9.0-1000/darwin_objdir/x86_64-apple-darwin12.5.0/i386/libsanitizer/asan/.libs/libasan.1.dylib
, should match READ of size 1 at 0x[0-9a-f]+ thread T0.*(
|
)    #0 0x[0-9a-f]+ (in _*main ([^
]*global-overflow-1.c:20|[^
]*:0)|[(])[^
]*(
|
).*0x[0-9a-f]+ is located 0 bytes to the right of global variable.*YYY[^
]* of size 10[^
]*(
|
)

Shouldn't llvm's libsanitizer be better synced with FSF gcc's at this point?