PR c++/26559

	* pt.c (tsubst_expr): Use finish_omp_atomic.
	(value_dependent_expression_p): All CALL_EXPRs are dependent.
	* semantics.c (finish_omp_atomic): Rework to use standard
	paradigms for handling non-dependent expressions.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@114671 138bc75d-0d04-0410-961f-82ee72b054a4