Regressions on trunk at revision 261775 vs revision 261748

[H.J. Lu Intel64]

New failures:

New passes:
FAIL: c-c++-common/attr-nonstring-8.c  -std=gnu++11 (test for excess errors)
FAIL: c-c++-common/attr-nonstring-8.c  -std=gnu++11 (test for excess errors)
FAIL: c-c++-common/attr-nonstring-8.c  -std=gnu++11  (test for warnings, line 63)
FAIL: c-c++-common/attr-nonstring-8.c  -std=gnu++11  (test for warnings, line 63)
FAIL: c-c++-common/attr-nonstring-8.c  -std=gnu++14 (test for excess errors)
FAIL: c-c++-common/attr-nonstring-8.c  -std=gnu++14 (test for excess errors)
FAIL: c-c++-common/attr-nonstring-8.c  -std=gnu++14  (test for warnings, line 63)
FAIL: c-c++-common/attr-nonstring-8.c  -std=gnu++14  (test for warnings, line 63)
FAIL: c-c++-common/attr-nonstring-8.c  -std=gnu++98 (test for excess errors)
FAIL: c-c++-common/attr-nonstring-8.c  -std=gnu++98 (test for excess errors)
FAIL: c-c++-common/attr-nonstring-8.c  -std=gnu++98  (test for warnings, line 63)
FAIL: c-c++-common/attr-nonstring-8.c  -std=gnu++98  (test for warnings, line 63)