Regressions on trunk at revision 266425 vs revision 266403

[H.J. Lu (ia32 Core i7)]

New failures:

New passes:
FAIL: gcc.c-torture/execute/20041011-1.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  (test for excess errors)
FAIL: gcc.c-torture/execute/20041011-1.c   -O2  (test for excess errors)
FAIL: gcc.c-torture/execute/20041011-1.c   -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions  (test for excess errors)
FAIL: gcc.c-torture/execute/20041011-1.c   -O3 -g  (test for excess errors)
FAIL: gcc.dg/guality/pr41447-1.c   -Os  -DPREVENT_OPTIMIZATION  execution test
FAIL: gcc.dg/Wbuiltin-declaration-mismatch-4.c (test for excess errors)
FAIL: gcc.dg/Wbuiltin-declaration-mismatch-4.c  (test for warnings, line 80)
FAIL: gcc.dg/Wbuiltin-declaration-mismatch-4.c  (test for warnings, line 82)
FAIL: libgomp.c++/../libgomp.c-c++-common/for-14.c (test for excess errors)
FAIL: libgomp.c/../libgomp.c-c++-common/for-14.c (test for excess errors)
FAIL: libgomp.c++/../libgomp.c-c++-common/for-15.c (test for excess errors)
FAIL: libgomp.c/../libgomp.c-c++-common/for-15.c (test for excess errors)
FAIL: libgomp.c++/../libgomp.c-c++-common/for-1.c (test for excess errors)
FAIL: libgomp.c/../libgomp.c-c++-common/for-1.c (test for excess errors)
FAIL: libgomp.c++/../libgomp.c-c++-common/for-2.c (test for excess errors)
FAIL: libgomp.c/../libgomp.c-c++-common/for-2.c (test for excess errors)
FAIL: libgomp.c++/../libgomp.c-c++-common/for-3.c (test for excess errors)
FAIL: libgomp.c/../libgomp.c-c++-common/for-3.c (test for excess errors)
FAIL: libgomp.c++/../libgomp.c-c++-common/for-5.c (test for excess errors)
FAIL: libgomp.c/../libgomp.c-c++-common/for-5.c (test for excess errors)
FAIL: libgomp.c++/../libgomp.c-c++-common/for-6.c (test for excess errors)
FAIL: libgomp.c/../libgomp.c-c++-common/for-6.c (test for excess errors)