blob: 62e8fede278b7f6022892c1cc39b89650c805f9b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
// errorcheck -0 -m -l
// Copyright 2019 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 for runtime/internal/atomic.
package escape
import (
"runtime/internal/atomic"
"unsafe"
)
// BAD: should always be "leaking param: addr to result ~r1 level=1$".
func Loadp(addr unsafe.Pointer) unsafe.Pointer { // ERROR "leaking param: addr( to result ~r1 level=1)?$"
return atomic.Loadp(addr)
}
var ptr unsafe.Pointer
func Storep() {
var x int // ERROR "moved to heap: x"
atomic.StorepNoWB(unsafe.Pointer(&ptr), unsafe.Pointer(&x))
}
func Casp1() {
// BAD: should always be "does not escape"
x := new(int) // ERROR "escapes to heap|does not escape"
var y int // ERROR "moved to heap: y"
atomic.Casp1(&ptr, unsafe.Pointer(x), unsafe.Pointer(&y))
}
|
