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gc: test that asserts closures are not wrapped when they don't have closure vars.
R=rsc, bradfitz CC=golang-dev https://golang.org/cl/5529060
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@ -6,6 +6,8 @@
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package main
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import "runtime"
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var c = make(chan int)
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func check(a []int) {
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@ -77,6 +79,8 @@ func h() {
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func newfunc() func(int) int { return func(x int) int { return x } }
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func main() {
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var fail bool
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go f()
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check([]int{1, 4, 5, 4})
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@ -88,13 +92,26 @@ func main() {
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go h()
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check([]int{100, 200, 101, 201, 500, 101, 201, 500})
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runtime.UpdateMemStats()
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n0 := runtime.MemStats.Mallocs
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x, y := newfunc(), newfunc()
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if x(1) != 1 || y(2) != 2 {
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println("newfunc returned broken funcs")
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panic("fail")
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fail = true
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}
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runtime.UpdateMemStats()
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if n0 != runtime.MemStats.Mallocs {
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println("newfunc allocated unexpectedly")
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fail = true
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}
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ff(1)
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if fail {
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panic("fail")
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}
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}
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func ff(x int) {
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