// $G $D/$F.go && $L $F.$A && ./$A.out// 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.packagemainfuncmain(){Foo:{return;}gotoFoo;}/*bug5.go:4: Foo undefinedbug5.go:4: fatal error: walktype: switch 1 unknown op GOTO l(4)*/