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// run
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package main
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import "runtime/debug"
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func f(m map[int]*string, i int) {
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s := ""
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m[i] = &s
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}
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func main() {
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debug.SetGCPercent(0)
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m := map[int]*string{}
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for i := 0; i < 40; i++ {
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f(m, i)
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if len(*m[i]) != 0 {
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println("bad length", i, m[i], len(*m[i]))
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panic("bad length")
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}
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}
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}
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