From ccd992355df7192993c666236047820244914598 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 16 Apr 2024 21:19:13 +0200 Subject: Adding upstream version 1.21.8. Signed-off-by: Daniel Baumann --- test/fixedbugs/issue17449.go | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 test/fixedbugs/issue17449.go (limited to 'test/fixedbugs/issue17449.go') diff --git a/test/fixedbugs/issue17449.go b/test/fixedbugs/issue17449.go new file mode 100644 index 0000000..51cc8ea --- /dev/null +++ b/test/fixedbugs/issue17449.go @@ -0,0 +1,35 @@ +// errorcheck -0 -race +// +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() { + } +} -- cgit v1.2.3