Regressions on trunk at revision 233991 vs revision 233974

[Intel Automatic Testing System [ia32 Core AVX2]]

New failures:

New passes:
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++98: syntax error in target selector "target c++98" for " dg-do 2 compile { target c++98 } "