Regressions on trunk at revision 213643 vs revision 213638

[H.J. Lu Intel64]

New failures:
FAIL: g++.dg/cpp1y/var-templ4.C   (internal compiler error)
FAIL: g++.dg/cpp1y/var-templ4.C   (internal compiler error)
FAIL: g++.dg/cpp1y/var-templ4.C   (test for excess errors)
FAIL: g++.dg/cpp1y/var-templ4.C   (test for excess errors)

New passes: