文件操作 - issue4066.go
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文件: /usr/share/go-1.23/test/fixedbugs/issue4066.go
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// run // Copyright 2012 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 4066: return values not being spilled eagerly enough package main func main() { n := foo() if n != 2 { println(n) panic("wrong return value") } } type terr struct{} func foo() (val int) { val = 0 defer func() { if x := recover(); x != nil { _ = x.(terr) } }() for { val = 2 foo1() } panic("unreachable") } func foo1() { panic(terr{}) }
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