| Russ Cox | 1ac637c | 2016-01-13 00:46:28 -0500 | [diff] [blame] | 1 | // errorcheck -0 -m -live |
| 2 | |
| 3 | // +build !windows |
| 4 | |
| 5 | // Copyright 2015 The Go Authors. All rights reserved. |
| 6 | // Use of this source code is governed by a BSD-style |
| 7 | // license that can be found in the LICENSE file. |
| 8 | |
| 9 | // Test escape analysis and liveness inferred for syscall.Syscall-like functions. |
| 10 | |
| 11 | package p |
| 12 | |
| 13 | import ( |
| 14 | "syscall" |
| 15 | "unsafe" |
| 16 | ) |
| 17 | |
| 18 | func f(uintptr) // ERROR "f assuming arg#1 is unsafe uintptr" |
| 19 | |
| 20 | func g() { |
| 21 | var t int |
| 22 | f(uintptr(unsafe.Pointer(&t))) // ERROR "live at call to f: autotmp" "g &t does not escape" |
| 23 | } |
| 24 | |
| 25 | func h() { |
| 26 | var v int |
| 27 | syscall.Syscall(0, 1, uintptr(unsafe.Pointer(&v)), 2) // ERROR "live at call to Syscall: autotmp" "h &v does not escape" |
| 28 | } |
