Ignore reduction clause on kernels directive

2016-01-18  Tom de Vries  <tom@codesourcery.com>

	* c-omp.c (c_oacc_split_loop_clauses): Don't copy OMP_CLAUSE_REDUCTION,
	classify as loop clause.

From-SVN: r232521

gcc/c-family/ChangeLog

+2016-01-18  Tom de Vries  <tom@codesourcery.com>
+
+	* c-omp.c (c_oacc_split_loop_clauses): Don't copy OMP_CLAUSE_REDUCTION,
+	classify as loop clause.
+
 2016-01-15  Jakub Jelinek  <jakub@redhat.com>
 
 	PR bootstrap/68271

gcc/c-family/c-omp.c

@@ -863,7 +863,7 @@ c_omp_check_loop_iv_exprs (location_t stmt_loc, tree declv, tree decl,
 tree
 c_oacc_split_loop_clauses (tree clauses, tree *not_loop_clauses)
 {
-  tree next, loop_clauses, t;
+  tree next, loop_clauses;
 
   loop_clauses = *not_loop_clauses = NULL_TREE;
   for (; clauses ; clauses = next)
@@ -882,16 +882,11 @@ c_oacc_split_loop_clauses (tree clauses, tree *not_loop_clauses)
 	case OMP_CLAUSE_SEQ:
 	case OMP_CLAUSE_INDEPENDENT:
 	case OMP_CLAUSE_PRIVATE:
+	case OMP_CLAUSE_REDUCTION:
 	  OMP_CLAUSE_CHAIN (clauses) = loop_clauses;
 	  loop_clauses = clauses;
 	  break;
 
-	  /* Reductions belong in both constructs.  */
-	case OMP_CLAUSE_REDUCTION:
-	  t = copy_node (clauses);
-	  OMP_CLAUSE_CHAIN (t) = loop_clauses;
-	  loop_clauses = t;
-
 	  /* Parallel/kernels clauses.  */
 	default:
 	  OMP_CLAUSE_CHAIN (clauses) = *not_loop_clauses;