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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:23:18 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:23:18 +0000 |
commit | 43a123c1ae6613b3efeed291fa552ecd909d3acf (patch) | |
tree | fd92518b7024bc74031f78a1cf9e454b65e73665 /test/fixedbugs/issue51733.go | |
parent | Initial commit. (diff) | |
download | golang-1.20-43a123c1ae6613b3efeed291fa552ecd909d3acf.tar.xz golang-1.20-43a123c1ae6613b3efeed291fa552ecd909d3acf.zip |
Adding upstream version 1.20.14.upstream/1.20.14upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'test/fixedbugs/issue51733.go')
-rw-r--r-- | test/fixedbugs/issue51733.go | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/test/fixedbugs/issue51733.go b/test/fixedbugs/issue51733.go new file mode 100644 index 0000000..933c3e8 --- /dev/null +++ b/test/fixedbugs/issue51733.go @@ -0,0 +1,34 @@ +// run + +// 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. + +//go:build cgo + +package main + +import ( + "log" + "runtime/cgo" + "unsafe" +) + +type S struct{ _ cgo.Incomplete } + +func main() { + p := (*S)(unsafe.Pointer(uintptr(0x8000))) + var v any = p + p2 := v.(*S) + if p != p2 { + log.Fatalf("%p != %p", unsafe.Pointer(p), unsafe.Pointer(p2)) + } + p2 = typeAssert[*S](v) + if p != p2 { + log.Fatalf("%p != %p from typeAssert", unsafe.Pointer(p), unsafe.Pointer(p2)) + } +} + +func typeAssert[T any](v any) T { + return v.(T) +} |