mirror of
https://github.com/golang/go
synced 2024-11-24 20:50:11 -07:00
e24977d231
The next CL will remove the -G flag, effectively hard-coding it to its current default (-G=3). Change-Id: Ib4743b529206928f9f1cca9fdb19989728327831 Reviewed-on: https://go-review.googlesource.com/c/go/+/388534 Reviewed-by: Keith Randall <khr@golang.org> Trust: Matthew Dempsky <mdempsky@google.com> Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gopher Robot <gobot@golang.org>
40 lines
616 B
Go
40 lines
616 B
Go
// run
|
|
|
|
// Copyright 2021 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 (
|
|
"fmt"
|
|
"unsafe"
|
|
)
|
|
|
|
type S[T any] struct {
|
|
val T
|
|
}
|
|
|
|
// Test type substitution where base type is unsafe.Pointer
|
|
type U[T any] unsafe.Pointer
|
|
|
|
func test[T any]() T {
|
|
var q U[T]
|
|
var v struct {
|
|
// Test derived type that contains an unsafe.Pointer
|
|
p unsafe.Pointer
|
|
val T
|
|
}
|
|
_ = q
|
|
return v.val
|
|
}
|
|
|
|
func main() {
|
|
want := 0
|
|
got := test[int]()
|
|
if got != want {
|
|
panic(fmt.Sprintf("got %f, want %f", got, want))
|
|
}
|
|
|
|
}
|