PR c++/33894
* cp-tree.h: Update comment - TYPE_LANG_FLAG_0 is not
OMP_ATOMIC_DEPENDENT_P in OMP_ATOMIC.
* pt.c (tsubst_expr): Assert OMP_ATOMIC_DEPENDENT_P.
* semantics.c (finish_omp_atomic): Revert most of the
2007-02-05 changes, just keep the new representation of
OMP_ATOMIC_DEPENDENT_P OMP_ATOMIC.
* testsuite/libgomp.c++/atomic-1.C: New test.
From-SVN: r129919
