mirror of
https://github.com/golang/go
synced 2024-11-24 10:00:12 -07:00
e3e0122ae2
Replace various implementations of inlining prevention with "go:noinline" Change-Id: Iac90895c3a62d6f4b7a6c72e11e165d15a0abfa4 Reviewed-on: https://go-review.googlesource.com/16510 Reviewed-by: Keith Randall <khr@golang.org> Run-TryBot: Todd Neal <todd@tneal.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
46 lines
634 B
Go
46 lines
634 B
Go
// run
|
|
|
|
// Copyright 2014 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.
|
|
|
|
// Issue 8036. Stores necessary for stack scan being eliminated as redundant by optimizer.
|
|
|
|
package main
|
|
|
|
import "runtime"
|
|
|
|
type T struct {
|
|
X *int
|
|
Y *int
|
|
Z *int
|
|
}
|
|
|
|
type TI [3]uintptr
|
|
|
|
//go:noinline
|
|
func G() (t TI) {
|
|
t[0] = 1
|
|
t[1] = 2
|
|
t[2] = 3
|
|
return
|
|
}
|
|
|
|
//go:noinline
|
|
func F() (t T) {
|
|
t.X = newint()
|
|
t.Y = t.X
|
|
t.Z = t.Y
|
|
return
|
|
}
|
|
|
|
func newint() *int {
|
|
runtime.GC()
|
|
return nil
|
|
}
|
|
|
|
func main() {
|
|
G() // leave non-pointers where F's return values go
|
|
F()
|
|
}
|