PR c/67500
	* c-parser.c (c_parser_omp_clause_aligned,
	c_parser_omp_clause_safelen, c_parser_omp_clause_simdlen): Fix up
	test for errors.
	* c-decl.c (temp_pop_parm_decls): Allow b->decl equal to
	error_mark_node.

	* gcc.dg/gomp/pr67500.c: New test.

From-SVN: r227577