Regressions on trunk at revision 194398 vs revision 194379

[H.J. Lu Intel64 Core 2/i7]

New failures:
FAIL: g++.dg/asan/asan_test.C  -O2  AddressSanitizer_PthreadExitTest execution test
FAIL: g++.dg/asan/asan_test.C  -O2  AddressSanitizer_PthreadExitTest execution test
FAIL: gcc.dg/tree-ssa/ssa-pre-1.c scan-tree-dump-times pre "Eliminated: 1" 1
FAIL: gcc.dg/tree-ssa/ssa-pre-1.c scan-tree-dump-times pre "Eliminated: 1" 1

New passes:
FAIL: g++.dg/asan/asan_test.C  -O2  AddressSanitizer_BuiltinLongJmpTest execution test
FAIL: g++.dg/asan/asan_test.C  -O2  AddressSanitizer_BuiltinLongJmpTest execution test
FAIL: g++.dg/asan/asan_test.C  -O2  AddressSanitizer_CxxExceptionTest execution test
FAIL: g++.dg/asan/asan_test.C  -O2  AddressSanitizer_FileNameInGlobalReportTest Ident(p[15]) execution test
FAIL: g++.dg/asan/asan_test.C  -O2  AddressSanitizer_FileNameInGlobalReportTest Ident(p[15]) execution test
FAIL: g++.dg/asan/asan_test.C  -O2  AddressSanitizer_GlobalTest fs2[Ident(-1)] = 0 execution test
FAIL: g++.dg/asan/asan_test.C  -O2  AddressSanitizer_GlobalTest fs2[Ident(-1)] = 0 execution test
FAIL: g++.dg/asan/asan_test.C  -O2  AddressSanitizer_GlobalTest func_static15[Ident(15 + 9)] = 0 execution test
FAIL: g++.dg/asan/asan_test.C  -O2  AddressSanitizer_GlobalTest func_static15[Ident(15 + 9)] = 0 execution test
FAIL: g++.dg/asan/asan_test.C  -O2  AddressSanitizer_GlobalTest func_static15[Ident(15)] = 0 execution test
FAIL: g++.dg/asan/asan_test.C  -O2  AddressSanitizer_GlobalTest func_static15[Ident(15)] = 0 execution test
FAIL: g++.dg/asan/asan_test.C  -O2  AddressSanitizer_GlobalTest static110[Ident(110)] = 0 execution test
FAIL: g++.dg/asan/asan_test.C  -O2  AddressSanitizer_GlobalTest static110[Ident(110)] = 0 execution test
FAIL: g++.dg/asan/asan_test.C  -O2  AddressSanitizer_GlobalTest static110[Ident(110+7)] = 0 execution test
FAIL: g++.dg/asan/asan_test.C  -O2  AddressSanitizer_GlobalTest static110[Ident(110+7)] = 0 execution test
FAIL: g++.dg/asan/asan_test.C  -O2  AddressSanitizer_LongJmpTest execution test
FAIL: g++.dg/asan/asan_test.C  -O2  AddressSanitizer_LongJmpTest execution test
FAIL: g++.dg/asan/asan_test.C  -O2  AddressSanitizer_SigLongJmpTest execution test
FAIL: g++.dg/asan/asan_test.C  -O2  AddressSanitizer_SigLongJmpTest execution test