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// errorcheck
// Copyright 2018 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.
// Issue 14988: declaring a map with an invalid key type should not cause a
// fatal panic.
package main
var x map[func()]int // ERROR "invalid map key type"
var X map[func()]int // ERROR "invalid map key type"