Editando: gcstring.go
// run // Copyright 2014 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. // Test that s[len(s):] - which can point past the end of the allocated block - // does not confuse the garbage collector. package main import ( "runtime" "time" ) type T struct { ptr **int pad [120]byte } var things []interface{} func main() { setup() runtime.GC() runtime.GC() time.Sleep(10*time.Millisecond) runtime.GC() runtime.GC() time.Sleep(10*time.Millisecond) } func setup() { var Ts []interface{} buf := make([]byte, 128) for i := 0; i < 10000; i++ { s := string(buf) t := &T{ptr: new(*int)} runtime.SetFinalizer(t.ptr, func(**int) { panic("*int freed too early") }) Ts = append(Ts, t) things = append(things, s[len(s):]) } things = append(things, Ts...) }
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Kerym Chaeceran