1// errorcheck 2 3// Copyright 2012 The Go Authors. All rights reserved. 4// Use of this source code is governed by a BSD-style 5// license that can be found in the LICENSE file. 6 7// Issue 3937: unhelpful typechecking loop message 8// for identifiers wrongly used as types. 9 10package main 11 12func foo(x foo) {} // ERROR "expected type|not a type" 13