Regressions on trunk at revision 185444 vs revision 185442

[H.J. Lu x32]

New failures:
FAIL: gfortran.dg/alloc_comp_assign_5.f90  -O1  (test for excess errors)
FAIL: gfortran.dg/auto_char_len_3.f90  -O1  (test for excess errors)
FAIL: gfortran.dg/binding_label_tests_16.f03  -O2  (test for excess errors)
FAIL: gfortran.dg/blockdata_1.f90  -Os  (test for excess errors)
FAIL: gfortran.dg/class_allocate_9.f03  -O0  (test for excess errors)
FAIL: gfortran.dg/error_recovery_5.f90  -O3 -fomit-frame-pointer  (test for excess errors)
FAIL: gfortran.dg/f2c_4.f90  -O3 -g  (test for excess errors)
FAIL: gfortran.dg/ishft_4.f90  -O1  (test for excess errors)
FAIL: gfortran.dg/maxloc_3.f90  -Os  (test for excess errors)
FAIL: gfortran.dg/real_const_2.f90  -O3 -g  (test for excess errors)

New passes:
FAIL: gfortran.dg/array_constructor_16.f90  -O0  (test for excess errors)
FAIL: gfortran.dg/forall_7.f90  -O3 -fomit-frame-pointer  (test for excess errors)
FAIL: gfortran.dg/pointer_function_actual_2.f90  -Os  (test for excess errors)
FAIL: gfortran.dg/reshape_zerosize_2.f90  -Os  (test for excess errors)
FAIL: gfortran.dg/unpack_bounds_1.f90  -O1  (test for excess errors)
FAIL: gfortran.fortran-torture/execute/intrinsic_product.f90 compilation,  -O1