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go/test/fixedbugs/bug369.go
Emmanuel Odeke 53fd522c0d all: make copyright headers consistent with one space after period
Follows suit with https://go-review.googlesource.com/#/c/20111.

Generated by running
$ grep -R 'Go Authors.  All' * | cut -d":" -f1 | while read F;do perl -pi -e 's/Go
Authors.  All/Go Authors. All/g' $F;done

The code in cmd/internal/unvendor wasn't changed.

Fixes #15213

Change-Id: I4f235cee0a62ec435f9e8540a1ec08ae03b1a75f
Reviewed-on: https://go-review.googlesource.com/21819
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2016-05-02 13:43:18 +00:00

51 lines
1.0 KiB
Go

// +build !nacl,!windows
// run
// Copyright 2011 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 compiling with optimization turned on produces faster code.
package main
import (
"fmt"
"os"
"os/exec"
"path/filepath"
)
func main() {
err := os.Chdir(filepath.Join(".", "fixedbugs", "bug369.dir"))
check(err)
run("go", "tool", "compile", "-N", "-o", "slow.o", "pkg.go")
run("go", "tool", "compile", "-o", "fast.o", "pkg.go")
run("go", "tool", "compile", "-o", "main.o", "main.go")
run("go", "tool", "link", "-o", "a.exe", "main.o")
run("." + string(filepath.Separator) + "a.exe")
os.Remove("slow.o")
os.Remove("fast.o")
os.Remove("main.o")
os.Remove("a.exe")
}
func run(name string, args ...string) {
cmd := exec.Command(name, args...)
out, err := cmd.CombinedOutput()
if err != nil {
fmt.Println(string(out))
fmt.Println(err)
os.Exit(1)
}
}
func check(err error) {
if err != nil {
fmt.Println(err)
os.Exit(1)
}
}