Regressions on trunk at revision 185447 vs revision 185444

[H.J. Lu x32]

New failures:
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 

New passes:
FAIL: gfortran.dg/bounds_check_strlen_8.f90  -O3 -fomit-frame-pointer  (test for excess errors)
FAIL: gfortran.dg/fmt_zero_precision.f90  -O3 -fomit-frame-pointer -funroll-loops  (test for excess errors)
FAIL: gfortran.dg/pr19216.f  -O1  (test for excess errors)
FAIL: gfortran.dg/pr35983.f90  -O0  (test for excess errors)
FAIL: gfortran.dg/pr46665.f90  -O3 -fomit-frame-pointer -funroll-all-loops -finline-functions  (test for excess errors)