Regressions on trunk at revision 176612 vs revision 176559

[H.J. Lu ia32]

New failures:
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)
FAIL: gcc.dg/tree-ssa/vrp47.c scan-tree-dump-times vrp1 "x[^ ]* \^ 1" 1
FAIL: gcc.target/i386/andor-2.c scan-assembler-not sete

New passes:
FAIL: libgomp.graphite/force-parallel-1.c scan-tree-dump-times graphite "1 loops carried no dependency" 2
FAIL: libgomp.graphite/force-parallel-1.c scan-tree-dump-times optimized "loopfn" 5