gimplify.c (gimplify_expr): Use error_operand_p.

2017-12-19  Paolo Carlini  <paolo.carlini@oracle.com>

	* gimplify.c (gimplify_expr): Use error_operand_p.

From-SVN: r255816

gcc/ChangeLog

+2017-12-19  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	* gimplify.c (gimplify_expr): Use error_operand_p.
+
 2017-12-19  Sebastian Huber  <sebastian.huber@embedded-brains.de>
 
 	PR target/83387

gcc/gimplify.c

@@ -11334,9 +11334,7 @@ gimplify_expr (tree *expr_p, gimple_seq *pre_p, gimple_seq *post_p,
       save_expr = *expr_p;
 
       /* Die, die, die, my darling.  */
-      if (save_expr == error_mark_node
-	  || (TREE_TYPE (save_expr)
-	      && TREE_TYPE (save_expr) == error_mark_node))
+      if (error_operand_p (save_expr))
 	{
 	  ret = GS_ERROR;
 	  break;