mirror of
https://github.com/golang/go
synced 2024-11-24 16:30:17 -07:00
35 lines
933 B
Go
35 lines
933 B
Go
|
// errorcheck -0 -race
|
||
|
|
|
||
|
|
// Copyright 2016 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.
|
||
|
|
|
||
|
|
// Issue 17449: race instrumentation copies over previous instrumented nodes from parents block into child's Ninit block.
|
||
|
|
// This code surfaces the duplication at compile time because of generated inline labels.
|
||
|
|
|
||
|
|
package master
|
||
|
|
|
||
|
|
type PriorityList struct {
|
||
|
|
elems []interface{}
|
||
|
|
}
|
||
|
|
|
||
|
|
func (x *PriorityList) Len() int { return len(x.elems) }
|
||
|
|
|
||
|
|
func (l *PriorityList) remove(i int) interface{} {
|
||
|
|
elem := l.elems[i]
|
||
|
|
l.elems = append(l.elems[:i], l.elems[i+1:]...)
|
||
|
|
return elem
|
||
|
|
}
|
||
|
|
|
||
|
|
func (l *PriorityList) Next() interface{} {
|
||
|
|
return l.remove(l.Len() - 1)
|
||
|
|
}
|
||
|
|
|
||
|
|
var l *PriorityList
|
||
|
|
|
||
|
|
func Foo() {
|
||
|
|
// It would fail here if instrumented code (including inline-label) was copied.
|
||
|
|
for elem := l.Next(); elem != nil; elem = l.Next() {
|
||
|
|
}
|
||
|
|
}
|