Regressions on 4.4 at revision 149518 vs revision 149512

[H.J. Lu Intel64]

New failures:
FAIL: 30_threads/timed_mutex/try_lock_for/3.cc execution test
FAIL: g++.old-deja/g++.law/weak.C (test for excess errors)
FAIL: g++.old-deja/g++.law/weak.C (test for excess errors)
FAIL: gcc.dg/special/gcsec-1.c (test for excess errors)
FAIL: gcc.dg/special/gcsec-1.c (test for excess errors)
FAIL: gcc.dg/tree-prof/bb-reorg.c compilation,  -fprofile-use -D_PROFILE_USE
FAIL: gcc.dg/tree-prof/pr34999.c compilation,  -fprofile-use -D_PROFILE_USE
WARNING: program timed out.

New passes: