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// run
// Copyright 2017 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 19710: mishandled defer delete(...)
package main
func main() {
if n := len(f()); n != 0 {
println("got", n, "want 0")
panic("bad defer delete")
}
}
func f() map[int]bool {
m := map[int]bool{}
for i := 0; i < 3; i++ {
m[i] = true
defer delete(m, i)
}
return m
}
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