Regressions on trunk at revision 190125 vs revision 190123

[H.J. Lu ia32 Core 2/i7]

New failures:
FAIL: gfortran.dg/boz_6.f90  -O1  (test for excess errors)
FAIL: gfortran.dg/cray_pointers_7.f90  -O3 -fomit-frame-pointer -funroll-loops  (test for excess errors)
FAIL: gfortran.dg/derived_comp_array_ref_3.f90  -O3 -fomit-frame-pointer  (test for excess errors)
FAIL: gfortran.dg/norm2_1.f90  -Os  (test for excess errors)
FAIL: gfortran.dg/pr18392.f90  -O3 -g  (test for excess errors)
FAIL: gfortran.dg/read_no_eor.f90  -O1  (test for excess errors)
FAIL: gfortran.dg/transfer_intrinsic_3.f90  -O2  (test for excess errors)

New passes:
FAIL: gfortran.dg/char_length_6.f90  -O1  (test for excess errors)
FAIL: gfortran.dg/class_9.f03  -O3 -fomit-frame-pointer -funroll-loops  (test for excess errors)
FAIL: gfortran.dg/equiv_6.f90  -O3 -g  (test for excess errors)
FAIL: gfortran.dg/reshape_2.f90  -Os  (test for excess errors)