Regressions on trunk at revision 218883 vs revision 218871

[H.J. Lu x32 -fpic]

New failures:
FAIL: gcc.target/i386/pr64291-1.c (test for excess errors)
ERROR: g++.dg/cpp1y/lambda-generic-variadic2.C  -std=c++11: syntax error in target selector "target cxx14" for " dg-error 21 "" "" { target { ! cxx14 } } "
ERROR: g++.dg/cpp1y/lambda-generic-variadic2.C  -std=c++14: syntax error in target selector "target cxx14" for " dg-error 21 "" "" { target { ! cxx14 } } "
ERROR: g++.dg/cpp1y/lambda-generic-variadic2.C  -std=c++98: syntax error in target selector "target cxx14" for " dg-error 21 "" "" { target { ! cxx14 } } "

New passes: