Regressions on 4.4 at revision 154183 vs revision 154177

[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  -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)