Regressions on trunk at revision 162030 vs revision 162022

[H.J. Lu ia32]

New failures:

New passes:
FAIL: gcc.c-torture/compile/20011119-2.c  -O2 -flto  (internal compiler error)
FAIL: gcc.c-torture/compile/20011119-2.c  -O2 -flto  (test for excess errors)
FAIL: gcc.c-torture/compile/20011119-2.c  -O2 -fwhopr  (internal compiler error)
FAIL: gcc.c-torture/compile/20011119-2.c  -O2 -fwhopr  (test for excess errors)