blob: 65a161c028eb64f1f3ba7bae3392c05beab38964 [file] [log] [blame]
// errorcheck -0 -m -live
// +build !windows,!js
// Copyright 2015 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 escape analysis and liveness inferred for syscall.Syscall-like functions.
package p
import (
func f(uintptr) // ERROR "f assuming arg#1 is unsafe uintptr"
func g() {
var t int
f(uintptr(unsafe.Pointer(&t))) // ERROR "live at call to f: .?autotmp" "g &t does not escape"
func h() {
var v int
syscall.Syscall(0, 1, uintptr(unsafe.Pointer(&v)), 2) // ERROR "live at call to Syscall: .?autotmp" "h &v does not escape"
func i() {
var t int
p := unsafe.Pointer(&t) // ERROR "i &t does not escape"
f(uintptr(p)) // ERROR "live at call to f: .?autotmp"
func j() {
var v int
p := unsafe.Pointer(&v) // ERROR "j &v does not escape"
syscall.Syscall(0, 1, uintptr(p), 2) // ERROR "live at call to Syscall: .?autotmp"