Regressions on trunk at revision 182330 vs revision 182320

[H.J. Lu ia32 Core 2/i7]

New failures:

New passes:
FAIL: g++.dg/abi/covariant5.C -std=c++11 (internal compiler error)
FAIL: g++.dg/abi/covariant5.C -std=c++11 (test for excess errors)
FAIL: g++.dg/abi/covariant5.C -std=c++98 (internal compiler error)
FAIL: g++.dg/abi/covariant5.C -std=c++98 (test for excess errors)
FAIL: g++.dg/inherit/covariant11.C -std=c++11 (internal compiler error)
FAIL: g++.dg/inherit/covariant11.C -std=c++11 (test for excess errors)
FAIL: g++.dg/inherit/covariant11.C -std=c++98 (internal compiler error)
FAIL: g++.dg/inherit/covariant11.C -std=c++98 (test for excess errors)
FAIL: g++.dg/inherit/covariant18.C -std=c++11 (internal compiler error)
FAIL: g++.dg/inherit/covariant18.C -std=c++11 (test for excess errors)
FAIL: g++.dg/inherit/covariant18.C -std=c++98 (internal compiler error)
FAIL: g++.dg/inherit/covariant18.C -std=c++98 (test for excess errors)
FAIL: g++.dg/inherit/covariant5.C -std=c++11 (internal compiler error)
FAIL: g++.dg/inherit/covariant5.C -std=c++11 (test for excess errors)
FAIL: g++.dg/inherit/covariant5.C -std=c++98 (internal compiler error)
FAIL: g++.dg/inherit/covariant5.C -std=c++98 (test for excess errors)
FAIL: g++.dg/inherit/covariant6.C -std=c++11 (internal compiler error)
FAIL: g++.dg/inherit/covariant6.C -std=c++11 (test for excess errors)
FAIL: g++.dg/inherit/covariant6.C -std=c++98 (internal compiler error)
FAIL: g++.dg/inherit/covariant6.C -std=c++98 (test for excess errors)
FAIL: g++.dg/inherit/covariant8.C -std=c++11 (internal compiler error)
FAIL: g++.dg/inherit/covariant8.C -std=c++11 (test for excess errors)
FAIL: g++.dg/inherit/covariant8.C -std=c++98 (internal compiler error)
FAIL: g++.dg/inherit/covariant8.C -std=c++98 (test for excess errors)
FAIL: g++.dg/inherit/covariant9.C -std=gnu++11 (internal compiler error)
FAIL: g++.dg/inherit/covariant9.C -std=gnu++11 (test for excess errors)
FAIL: g++.dg/inherit/covariant9.C -std=gnu++98 (internal compiler error)
FAIL: g++.dg/inherit/covariant9.C -std=gnu++98 (test for excess errors)