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// errorcheck -0 -race
//go:build (linux && amd64) || (linux && ppc64le) || (darwin && amd64) || (freebsd && amd64) || (netbsd && amd64) || (windows && amd64)
// 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() {
}
}