Regressions on trunk at revision 199577 vs revision 199576

[H.J. Lu ia32]

New failures:
FAIL: g++.dg/ext/mv1.C -std=gnu++11 (internal compiler error)
FAIL: g++.dg/ext/mv1.C -std=gnu++11 (test for excess errors)
FAIL: g++.dg/ext/mv1.C -std=gnu++98 (internal compiler error)
FAIL: g++.dg/ext/mv1.C -std=gnu++98 (test for excess errors)
FAIL: g++.dg/ext/mv12.C -std=gnu++11 (internal compiler error)
FAIL: g++.dg/ext/mv12.C -std=gnu++11 (test for excess errors)
FAIL: g++.dg/ext/mv12.C -std=gnu++98 (internal compiler error)
FAIL: g++.dg/ext/mv12.C -std=gnu++98 (test for excess errors)
FAIL: g++.dg/ext/mv2.C -std=gnu++11 (internal compiler error)
FAIL: g++.dg/ext/mv2.C -std=gnu++11 (test for excess errors)
FAIL: g++.dg/ext/mv2.C -std=gnu++98 (internal compiler error)
FAIL: g++.dg/ext/mv2.C -std=gnu++98 (test for excess errors)
FAIL: g++.dg/ext/mv5.C -std=gnu++11 (internal compiler error)
FAIL: g++.dg/ext/mv5.C -std=gnu++11 (test for excess errors)
FAIL: g++.dg/ext/mv5.C -std=gnu++98 (internal compiler error)
FAIL: g++.dg/ext/mv5.C -std=gnu++98 (test for excess errors)

New passes: