Regressions on trunk at revision 159368 vs revision 159360

[H.J. Lu ia32]

New failures:

New passes:
FAIL: gcc.dg/guality/example.c  -O2 -flto  (internal compiler error)
FAIL: gcc.dg/guality/example.c  -O2 -flto  (test for excess errors)
FAIL: gcc.dg/guality/example.c  -O2 -fwhopr  (internal compiler error)
FAIL: gcc.dg/guality/example.c  -O2 -fwhopr  (test for excess errors)
FAIL: gcc.dg/guality/guality.c  -O2 -flto  (internal compiler error)
FAIL: gcc.dg/guality/guality.c  -O2 -flto  (test for excess errors)
FAIL: gcc.dg/guality/guality.c  -O2 -fwhopr  (internal compiler error)
FAIL: gcc.dg/guality/guality.c  -O2 -fwhopr  (test for excess errors)
FAIL: gcc.dg/guality/inline-params.c  -O2 -flto  (internal compiler error)
FAIL: gcc.dg/guality/inline-params.c  -O2 -flto  (test for excess errors)
FAIL: gcc.dg/guality/inline-params.c  -O2 -fwhopr  (internal compiler error)
FAIL: gcc.dg/guality/inline-params.c  -O2 -fwhopr  (test for excess errors)
FAIL: gcc.dg/guality/pr41447-1.c  -O2 -flto  (internal compiler error)
FAIL: gcc.dg/guality/pr41447-1.c  -O2 -flto  (test for excess errors)
FAIL: gcc.dg/guality/pr41447-1.c  -O2 -fwhopr  (internal compiler error)
FAIL: gcc.dg/guality/pr41447-1.c  -O2 -fwhopr  (test for excess errors)
FAIL: gcc.dg/guality/pr41616-1.c  -O2 -flto  (internal compiler error)
FAIL: gcc.dg/guality/pr41616-1.c  -O2 -flto  (test for excess errors)
FAIL: gcc.dg/guality/pr41616-1.c  -O2 -fwhopr  (internal compiler error)
FAIL: gcc.dg/guality/pr41616-1.c  -O2 -fwhopr  (test for excess errors)
WARNING: program timed out.