Regressions on trunk at revision 208668 vs revision 208660

[H.J. Lu Intel64 LTO/FDO]

New failures:
FAIL: c-c++-common/Wcast-qual-1.c -std=gnu++11 (test for excess errors)
FAIL: c-c++-common/Wcast-qual-1.c -std=gnu++11 (test for excess errors)
FAIL: c-c++-common/Wcast-qual-1.c -std=gnu++11  (test for warnings, line 88)
FAIL: c-c++-common/Wcast-qual-1.c -std=gnu++11  (test for warnings, line 88)
FAIL: c-c++-common/Wcast-qual-1.c -std=gnu++11  (test for warnings, line 92)
FAIL: c-c++-common/Wcast-qual-1.c -std=gnu++11  (test for warnings, line 92)
FAIL: c-c++-common/Wcast-qual-1.c -std=gnu++1y (test for excess errors)
FAIL: c-c++-common/Wcast-qual-1.c -std=gnu++1y (test for excess errors)
FAIL: c-c++-common/Wcast-qual-1.c -std=gnu++1y  (test for warnings, line 88)
FAIL: c-c++-common/Wcast-qual-1.c -std=gnu++1y  (test for warnings, line 88)
FAIL: c-c++-common/Wcast-qual-1.c -std=gnu++1y  (test for warnings, line 92)
FAIL: c-c++-common/Wcast-qual-1.c -std=gnu++1y  (test for warnings, line 92)
FAIL: c-c++-common/Wcast-qual-1.c -std=gnu++98 (test for excess errors)
FAIL: c-c++-common/Wcast-qual-1.c -std=gnu++98 (test for excess errors)
FAIL: c-c++-common/Wcast-qual-1.c -std=gnu++98  (test for warnings, line 88)
FAIL: c-c++-common/Wcast-qual-1.c -std=gnu++98  (test for warnings, line 88)
FAIL: c-c++-common/Wcast-qual-1.c -std=gnu++98  (test for warnings, line 92)
FAIL: c-c++-common/Wcast-qual-1.c -std=gnu++98  (test for warnings, line 92)

New passes:
FAIL: gcc.target/i386/excess-precision-3.c execution test
FAIL: gcc.target/i386/excess-precision-3.c execution test