Regressions on trunk at revision 160231 vs revision 160215

[H.J. Lu ia64]

New failures:
FAIL: g++.dg/eh/new1.C (test for excess errors)
FAIL: g++.dg/init/new5.C (test for excess errors)
FAIL: g++.old-deja/g++.jason/new.C (test for excess errors)
FAIL: g++.old-deja/g++.law/operators27.C (test for excess errors)
FAIL: g++.old-deja/g++.mike/p755.C (test for excess errors)
FAIL: g++.old-deja/g++.other/delete3.C (test for excess errors)
FAIL: g++.old-deja/g++.other/new.C (test for excess errors)
FAIL: gcc.dg/lto/20100603-2 c_lto_20100603-2_0.o-c_lto_20100603-2_0.o link, -O0 -fwhopr (internal compiler error)
FAIL: gcc.dg/lto/20100603-2 c_lto_20100603-2_0.o-c_lto_20100603-2_0.o link, -O2 -fwhopr (internal compiler error)
FAIL: gcc.dg/lto/20100603-3 c_lto_20100603-3_0.o-c_lto_20100603-3_0.o link, -O0 -fwhopr (internal compiler error)
FAIL: gcc.dg/lto/20100603-3 c_lto_20100603-3_0.o-c_lto_20100603-3_0.o link, -O2 -fwhopr (internal compiler error)

New passes: