Regressions on trunk at revision 179045 vs revision 179017

[H.J. Lu ia32]

New failures:

New passes:
FAIL: gfortran.dg/storage_size_2.f08  -O   (test for errors, line 17)
FAIL: gfortran.dg/storage_size_2.f08  -O   (test for errors, line 20)
FAIL: gfortran.dg/storage_size_2.f08  -O  (test for excess errors)