Regressions on trunk at revision 179013 vs revision 179007

[Kirill Yukhin [ia32 Core i7 AVX]]

New failures:
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)

New passes: