Regressions on trunk at revision 218579 vs revision 218558

[H.J. Lu ia32]

New failures:
FAIL: g++.dg/cpp/pr64127.C  -std=c++98  (test for errors, line 3)
FAIL: g++.dg/cpp/pr64127.C  -std=c++98  (test for errors, line 6)
FAIL: g++.dg/cpp/pr64127.C  -std=c++98  (test for errors, line 6)
FAIL: g++.dg/cpp/pr64127.C  -std=c++98  (test for warnings, line 3)

New passes: