Regressions on 5 at revision 232962 vs revision 232918

[H.J. Lu ia32]

New failures:

New passes:
FAIL: c-c++-common/vector-compare-4.c  -Wc++-compat   (test for warnings, line 17)
FAIL: c-c++-common/vector-compare-4.c  -Wc++-compat   (test for warnings, line 18)
FAIL: c-c++-common/vector-compare-4.c  -Wc++-compat   (test for warnings, line 34)
FAIL: c-c++-common/vector-compare-4.c  -Wc++-compat   (test for warnings, line 35)