[Bug middle-end/50598] New: [4.7 Regression] Undefined symbols: "___emutls_v.*", ... on *-apple-darwin*

["dominiq at lps dot ens.fr" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50598

             Bug #: 50598
           Summary: [4.7 Regression] Undefined symbols: "___emutls_v.*",
                    ... on *-apple-darwin*
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: dominiq@lps.ens.fr
                CC: hubicka@gcc.gnu.org
              Host: *-apple-darwin*
            Target: *-apple-darwin*
             Build: *-apple-darwin*


Since revision 179430 (see
http://gcc.gnu.org/ml/gcc-testresults/2011-10/msg00193.html r179421 is OK)
libgomp.c++/pr24455.C and libgomp.fortran/threadprivate4.f90 fail with

FAIL: libgomp.c++/pr24455.C  -O0  (test for excess errors)
Excess errors:
Undefined symbols:
  "___emutls_v.i", referenced from:
      ___emutls_v.i$non_lazy_ptr in ccB25Iow.o
     (maybe you meant: ___emutls_v.i$non_lazy_ptr)
ld: symbol(s) not found