Regressions on trunk at revision 215403 vs revision 215401

[H.J. Lu ia32 Core i7]

New failures:

New passes:
FAIL: g++.dg/cilk-plus/CK/fib-opr-overload.cc  -O1 -fcilkplus execution test
FAIL: g++.dg/lto/20101014-2 cp_lto_20101014-2_0.o assemble, -O0 -flto -flto-partition=1to1 -fno-use-linker-plugin 
FAIL: g++.dg/lto/20101014-2 cp_lto_20101014-2_0.o assemble, -O0 -flto -flto-partition=none -fuse-linker-plugin
FAIL: g++.dg/lto/20101014-2 cp_lto_20101014-2_0.o assemble, -O0 -flto -fuse-linker-plugin -fno-fat-lto-objects 
FAIL: g++.dg/lto/20101014-2 cp_lto_20101014-2_0.o assemble, -O2 -flto -flto-partition=1to1 -fno-use-linker-plugin 
FAIL: g++.dg/lto/20101014-2 cp_lto_20101014-2_0.o assemble, -O2 -flto -flto-partition=none -fuse-linker-plugin -fno-fat-lto-objects 
FAIL: g++.dg/lto/20101014-2 cp_lto_20101014-2_0.o assemble, -O2 -flto -fuse-linker-plugin