Regressions on trunk at revision 214487 vs revision 214483

[H.J. Lu ia32 Core i7]

New failures:

New passes:
FAIL: g++.dg/template/error33.C  -std=c++11 note (test for warnings, line 9)
FAIL: g++.dg/template/error33.C  -std=c++1y note (test for warnings, line 9)
FAIL: g++.dg/template/error33.C  -std=c++98 note (test for warnings, line 9)