// errorcheck
// Copyright 2020 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.
package main
func foo() {
	_ = func() {}
}
func foo() { // ERROR "foo redeclared in this block|redefinition of .*foo.*"
	_ = func() {}
}
func main() {}