decl.c (grokdeclarator): Properly insert a DECL_EXPR for anonymous VLAs.

2016-05-02  Richard Biener  <rguenther@suse.de>

	cp/
	* decl.c (grokdeclarator): Properly insert a DECL_EXPR for
	anonymous VLAs.

From-SVN: r235706

gcc/cp/ChangeLog

+2016-05-02  Richard Biener  <rguenther@suse.de>
+
+	* decl.c (grokdeclarator): Properly insert a DECL_EXPR for
+	anonymous VLAs.
+
 2016-04-29  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR c++/66644

gcc/cp/decl.c

@@ -10393,8 +10393,11 @@ grokdeclarator (const cp_declarator *declarator,
 	      && (decl_context == NORMAL || decl_context == FIELD)
 	      && at_function_scope_p ()
 	      && variably_modified_type_p (type, NULL_TREE))
-	    /* Force evaluation of the SAVE_EXPR.  */
-	    finish_expr_stmt (TYPE_SIZE (type));
+	    {
+	      TYPE_NAME (type) = build_decl (UNKNOWN_LOCATION, TYPE_DECL,
+					     NULL_TREE, type);
+	      add_decl_expr (TYPE_NAME (type));
+	    }
 
 	  if (declarator->kind == cdk_reference)
 	    {