Regressions on trunk at revision 230921 vs revision 230910

[H.J. Lu ia32 Core i7]

New failures:
FAIL: g++.dg/lto/20081118 cp_lto_20081118_0.o-cp_lto_20081118_1.o link, -fPIC -flto -flto-partition=1to1 -r -nostdlib (internal compiler error)
FAIL: g++.dg/lto/20081204-1 cp_lto_20081204-1_0.o-cp_lto_20081204-1_1.o link, -flto -flto-partition=1to1 -fPIC -r -nostdlib (internal compiler error)
FAIL: g++.dg/lto/20081219 cp_lto_20081219_0.o-cp_lto_20081219_1.o link, -fPIC -flto -flto-partition=1to1 -O2 (internal compiler error)
FAIL: g++.dg/lto/20090302 cp_lto_20090302_0.o-cp_lto_20090302_1.o link, -fPIC -flto -flto-partition=1to1 -r -nostdlib (internal compiler error)
FAIL: g++.dg/lto/20091002-1 cp_lto_20091002-1_0.o-cp_lto_20091002-1_0.o link, -fPIC -flto (internal compiler error)
FAIL: g++.dg/lto/pr65193 cp_lto_pr65193_0.o-cp_lto_pr65193_0.o link, -fPIC -r -nostdlib -flto -O2 -g (internal compiler error)

New passes: