// errorcheck
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Verify that illegal function signatures are detected.
// Does not compile.
package main
type t1 int
type t2 int
type t3 int
func f1(*t2, x t3) // ERROR "named"
func f2(t1, *t2, x t3) // ERROR "named"
func f3() (x int, *string) // ERROR "named"
func f4() (t1 t1) // legal - scope of parameter named t1 starts in body of f4.