Regressions on trunk at revision 233973 vs revision 233964

[H.J. Lu Intel64 Core i7]

New failures:
ERROR: g++.dg/template/typename21.C  -std=c++11: syntax error in target selector "target c++98" for " dg-do 2 compile { target c++98 } "
ERROR: g++.dg/template/typename21.C  -std=c++11: syntax error in target selector "target c++98" for " dg-do 2 compile { target c++98 } "
ERROR: g++.dg/template/typename21.C  -std=c++14: syntax error in target selector "target c++98" for " dg-do 2 compile { target c++98 } "
ERROR: g++.dg/template/typename21.C  -std=c++14: syntax error in target selector "target c++98" for " dg-do 2 compile { target c++98 } "
ERROR: g++.dg/template/typename21.C  -std=c++98: syntax error in target selector "target c++98" for " dg-do 2 compile { target c++98 } "
ERROR: g++.dg/template/typename21.C  -std=c++98: syntax error in target selector "target c++98" for " dg-do 2 compile { target c++98 } "

New passes: