Regressions on trunk at revision 214487 vs revision 214415

[H.J. Lu x32]

New failures:

New passes:
ERROR: g++.old-deja/g++.pt/var1.C  -std=c++11: syntax error in target selector "target c++1y" for " dg-error 4 "" "" { target { ! c++1y } } "
ERROR: g++.old-deja/g++.pt/var1.C  -std=c++1y: syntax error in target selector "target c++1y" for " dg-error 4 "" "" { target { ! c++1y } } "
ERROR: g++.old-deja/g++.pt/var1.C  -std=c++98: syntax error in target selector "target c++1y" for " dg-error 4 "" "" { target { ! c++1y } } "