Regressions on trunk at revision 177802 vs revision 177788

[H.J. Lu Intel64 Core 2/i7]

New failures:

New passes:
FAIL: gfortran.dg/coarray_26.f90  -O   (test for errors, line 17)
FAIL: gfortran.dg/coarray_26.f90  -O   (test for errors, line 17)
FAIL: gfortran.dg/coarray_26.f90  -O   (test for errors, line 25)
FAIL: gfortran.dg/coarray_26.f90  -O   (test for errors, line 25)
FAIL: gfortran.dg/coarray_26.f90  -O   (test for errors, line 31)
FAIL: gfortran.dg/coarray_26.f90  -O   (test for errors, line 31)
FAIL: gfortran.dg/coarray_26.f90  -O   (test for errors, line 36)
FAIL: gfortran.dg/coarray_26.f90  -O   (test for errors, line 36)
FAIL: gfortran.dg/coarray_26.f90  -O  (test for excess errors)
FAIL: gfortran.dg/coarray_26.f90  -O  (test for excess errors)
FAIL: gfortran.dg/coarray_6.f90  -O   (test for errors, line 50)
FAIL: gfortran.dg/coarray_6.f90  -O   (test for errors, line 50)
FAIL: gfortran.dg/coarray_6.f90  -O  (test for excess errors)
FAIL: gfortran.dg/coarray_6.f90  -O  (test for excess errors)