gimplify.c (gimplify_return_expr): Remove dead error_mark_node check.

2017-12-20  Paolo Carlini  <paolo.carlini@oracle.com>

	* gimplify.c (gimplify_return_expr): Remove dead error_mark_node check.

From-SVN: r255900

gcc/ChangeLog

+2017-12-20  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	* gimplify.c (gimplify_return_expr): Remove dead error_mark_node check.
+
 2017-12-20  Martin Sebor  <msebor@redhat.com>
 
 	PR testsuite/83131
 	* builtins.c (expand_builtin_strlen): Use get_callee_fndecl.
-	(expand_builtin_strcmp): Call maybe_warn_nonstring_arg.	
+	(expand_builtin_strcmp): Call maybe_warn_nonstring_arg.
 	(expand_builtin_strncmp): Same.
 
 2017-12-20  Alexandre Oliva <aoliva@redhat.com>

gcc/gimplify.c

@@ -1500,8 +1500,7 @@ gimplify_return_expr (tree stmt, gimple_seq *pre_p)
     return GS_ERROR;
 
   if (!ret_expr
-      || TREE_CODE (ret_expr) == RESULT_DECL
-      || ret_expr == error_mark_node)
+      || TREE_CODE (ret_expr) == RESULT_DECL)
     {
       maybe_add_early_return_predict_stmt (pre_p);
       greturn *ret = gimple_build_return (ret_expr);