mirror of
https://github.com/golang/go
synced 2024-11-15 12:20:32 -07:00
28 lines
592 B
Go
28 lines
592 B
Go
|
// 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)
|
||
|
|
}
|