Regressions on trunk at revision 221628 vs revision 221607

[H.J. Lu x32]

New failures:

New passes:
FAIL: gfortran.dg/coarray/coindexed_3.f90 -fcoarray=single  -O2  -latomic  (test for errors, line 49)
FAIL: gfortran.dg/coarray/coindexed_3.f90 -fcoarray=single  -O2  -latomic  (test for errors, line 60)