Regressions on trunk at revision 230663 vs revision 230637

[H.J. Lu x32]

New failures:

New passes:
FAIL: c-c++-common/attr-simd-3.c  -std=gnu++11  (test for errors, line 5)
FAIL: c-c++-common/attr-simd-3.c  -std=gnu++14  (test for errors, line 5)
FAIL: c-c++-common/attr-simd-3.c  -std=gnu++98  (test for errors, line 5)