Regressions on trunk at revision 176615 vs revision 176612

[H.J. Lu ia32]

New failures:

New passes:
FAIL: gcc.c-torture/compile/930117-1.c  -O1  (internal compiler error)
FAIL: gcc.c-torture/compile/930117-1.c  -O1  (test for excess errors)
FAIL: gcc.c-torture/compile/930117-1.c  -O2  (internal compiler error)
FAIL: gcc.c-torture/compile/930117-1.c  -O2  (test for excess errors)
FAIL: gcc.c-torture/compile/930117-1.c  -O2 -flto  (internal compiler error)
FAIL: gcc.c-torture/compile/930117-1.c  -O2 -flto  (test for excess errors)
FAIL: gcc.c-torture/compile/930117-1.c  -O2 -flto -flto-partition=none  (internal compiler error)
FAIL: gcc.c-torture/compile/930117-1.c  -O2 -flto -flto-partition=none  (test for excess errors)
FAIL: gcc.c-torture/compile/930117-1.c  -O3 -fomit-frame-pointer  (internal compiler error)
FAIL: gcc.c-torture/compile/930117-1.c  -O3 -fomit-frame-pointer  (test for excess errors)
FAIL: gcc.c-torture/compile/930117-1.c  -O3 -g  (internal compiler error)
FAIL: gcc.c-torture/compile/930117-1.c  -O3 -g  (test for excess errors)
FAIL: gcc.c-torture/compile/930117-1.c  -Os  (internal compiler error)
FAIL: gcc.c-torture/compile/930117-1.c  -Os  (test for excess errors)