| // compile | |
| // Copyright 2023 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. | |
| // Unified frontend generated unnecessary temporaries for expressions | |
| // within unsafe.Sizeof, etc functions. | |
| package main | |
| import "unsafe" | |
| func F[G int](g G) (uintptr, uintptr, uintptr) { | |
| var c chan func() int | |
| type s struct { | |
| g G | |
| x []int | |
| } | |
| return unsafe.Sizeof(s{g, make([]int, (<-c)())}), | |
| unsafe.Alignof(s{g, make([]int, (<-c)())}), | |
| unsafe.Offsetof(s{g, make([]int, (<-c)())}.x) | |
| } | |
| func main() { | |
| F(0) | |
| } |