文件操作 - issue29735.go
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文件: /usr/share/go-1.23/test/fixedbugs/issue29735.go
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// run // Copyright 2019 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. // Make sure FuncForPC won't panic when given a pc which // lies between two functions. package main import ( "runtime" ) func main() { var stack [1]uintptr runtime.Callers(1, stack[:]) f() // inlined function, to give main some inlining info for i := uintptr(0); true; i++ { f := runtime.FuncForPC(stack[0] + i) if f.Name() != "main.main" && f.Name() != "main.f" { // Reached next function successfully. break } } } func f() { sink = 0 // one instruction which can't be removed } var sink int
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