Regressions on trunk at revision 193178 vs revision 193175

[H.J. Lu ia32]

New failures:

New passes:
FAIL: gcc.c-torture/compile/20080806-1.c  -O3 -fomit-frame-pointer  (internal compiler error)
FAIL: gcc.c-torture/compile/20080806-1.c  -O3 -fomit-frame-pointer  (test for excess errors)
FAIL: gcc.c-torture/compile/20080806-1.c  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  (internal compiler error)
FAIL: gcc.c-torture/compile/20080806-1.c  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  (test for excess errors)
FAIL: gcc.c-torture/compile/20080806-1.c  -O3 -fomit-frame-pointer -funroll-loops  (internal compiler error)
FAIL: gcc.c-torture/compile/20080806-1.c  -O3 -fomit-frame-pointer -funroll-loops  (test for excess errors)
FAIL: gcc.c-torture/compile/20080806-1.c  -O3 -g  (internal compiler error)
FAIL: gcc.c-torture/compile/20080806-1.c  -O3 -g  (test for excess errors)