| // 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) | |
| } | |
| } |