1
0
mirror of https://github.com/golang/go synced 2024-11-24 05:00:18 -07:00
go/test/fixedbugs/issue42944.go

25 lines
513 B
Go
Raw Normal View History

// errorcheck -0 -live
// Copyright 2020 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 42944: address of callee args area should only be short-lived
// and never across a call.
package p
type T [10]int // trigger DUFFCOPY when passing by value, so it uses the address
func F() {
var x T
var i int
for {
x = G(i) // no autotmp live at this and next calls
H(i, x)
}
}
func G(int) T
func H(int, T)