go issue4618 源码
golang issue4618 代码
文件路径：/test/fixedbugs/issue4618.go
// run
// Copyright 2013 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.
package main
import (
"fmt"
"os"
"runtime"
"testing"
)
type T struct { int }
var globl *T
func F() {
t := &T{}
globl = t
}
func G() {
t := &T{}
_ = t
}
func main() {
nf := testing.AllocsPerRun(100, F)
ng := testing.AllocsPerRun(100, G)
if int(nf) > 1 {
fmt.Printf("AllocsPerRun(100, F) = %v, want 1\n", nf)
os.Exit(1)
}
if int(ng) != 0 && (runtime.Compiler != "gccgo" || int(ng) != 1) {
fmt.Printf("AllocsPerRun(100, G) = %v, want 0\n", ng)
os.Exit(1)
}
}
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