Regressions on trunk at revision 236140 vs revision 236117

[H.J. Lu ia32 -fpic]

New failures:

New passes:
FAIL: gcc.dg/torture/pr53663-1.c   -O1  execution test
FAIL: gcc.dg/torture/pr53663-1.c   -O2  execution test
FAIL: gcc.dg/torture/pr53663-1.c   -O2 -flto -fno-use-linker-plugin -flto-partition=none  execution test
FAIL: gcc.dg/torture/pr53663-1.c   -O3 -g  execution test
FAIL: gcc.dg/torture/pr53663-1.c   -Os  execution test
FAIL: gcc.target/i386/sse-13.c (test for excess errors)