Regressions on trunk at revision 187587 vs revision 187553

[H.J. Lu Intel64 Core 2/i7]

New failures:

New passes:
FAIL: g++.old-deja/g++.pt/crash10.C -std=c++11 division (test for warnings, line 6)
FAIL: g++.old-deja/g++.pt/crash10.C -std=c++11 division (test for warnings, line 6)
FAIL: g++.old-deja/g++.pt/crash10.C -std=c++98 division (test for warnings, line 6)
FAIL: g++.old-deja/g++.pt/crash10.C -std=c++98 division (test for warnings, line 6)