Regressions on trunk at revision 222634 vs revision 222620

[H.J. Lu x32]

New failures:

New passes:
FAIL: g++.dg/lto/20101010-4 cp_lto_20101010-4_0.o-cp_lto_20101010-4_0.o link,  -std=c++0x -flto -g -r -nostdlib  (internal compiler error)
FAIL: g++.dg/lto/20101010-4 cp_lto_20101010-4_0.o-cp_lto_20101010-4_0.o link,  -std=c++0x -flto -r -nostdlib  (internal compiler error)