diff options
Diffstat (limited to 'test/typeparam/issue50993.go')
-rw-r--r-- | test/typeparam/issue50993.go | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/test/typeparam/issue50993.go b/test/typeparam/issue50993.go new file mode 100644 index 0000000..4d459fd --- /dev/null +++ b/test/typeparam/issue50993.go @@ -0,0 +1,35 @@ +// compile -d=checkptr + +// Copyright 2022 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. + +package main + +import ( + "sync/atomic" + "unsafe" +) + +type Node[T any] struct { + Next *Node[T] + // Prev *Node[T] +} + +func LoadPointer[T any](addr **T) (val *T) { + return (*T)( + atomic.LoadPointer( + (*unsafe.Pointer)(unsafe.Pointer(addr)), + )) +} + +func (q *Node[T]) Pop() { + var tail, head *Node[T] + if head == LoadPointer(&tail) { + } +} + +func main() { + ch := Node[uint64]{} + ch.Pop() +} |