Regressions on trunk at revision 228204 vs revision 228192

[H.J. Lu x32 -fpic]

New failures:
FAIL: gcc.dg/ifcvt-2.c scan-rtl-dump ce1 "3 true changes made"

New passes:
FAIL: gcc.c-torture/execute/20050124-1.c   -O2  execution test
FAIL: gcc.c-torture/execute/20050124-1.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  execution test
FAIL: gcc.c-torture/execute/20050124-1.c   -O3 -g  execution test
FAIL: gcc.c-torture/execute/20050124-1.c   -Os  execution test