gimplify.c (struct gimplify_omp_ctx): Add clauses member.

	* gimplify.c (struct gimplify_omp_ctx): Add clauses member.
	(gimplify_scan_omp_clauses): Initialize ctx->clauses.
	(gimplify_adjust_omp_clauses_1): Transform lastprivate conditional
	explicit clause on combined parallel into implicit shared clause.
	(gimplify_adjust_omp_clauses): Move lastprivate conditional clause
	and firstprivate if the decl has one too from combined parallel to
	the worksharing construct.
gcc/testsuite/
	* c-c++-common/gomp/lastprivate-conditional-2.c (foo): Don't expect
	sorry on lastprivate conditional on parallel for.
	* c-c++-common/gomp/lastprivate-conditional-3.c (foo): Add tests for
	lastprivate conditional warnings on parallel for constructs.
	* c-c++-common/gomp/lastprivate-conditional-4.c: New test.
libgomp/
	* testsuite/libgomp.c-c++-common/lastprivate_conditional_4.c: Rename
	to ...
	* testsuite/libgomp.c-c++-common/lastprivate-conditional-4.c: ... this.
	* testsuite/libgomp.c-c++-common/lastprivate-conditional-5.c: New test.
	* testsuite/libgomp.c-c++-common/lastprivate-conditional-6.c: New test.

From-SVN: r271733