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// run
// Copyright 2019 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
// This used to print 0, because x was incorrectly captured by value.
func f() (x int) {
defer func() func() {
return func() {
println(x)
}
}()()
return 42
}
func main() {
f()
}
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