Regressions on trunk at revision 232982 vs revision 232963

[H.J. Lu x32]

New failures:

New passes:
FAIL: gfortran.dg/graphite/pr42285.f90   -O  (internal compiler error)
FAIL: gfortran.dg/graphite/pr42285.f90   -O  (test for excess errors)
FAIL: gfortran.dg/graphite/pr42334-1.f   -O  (internal compiler error)
FAIL: gfortran.dg/graphite/pr42334-1.f   -O  (test for excess errors)