go/test/fixedbugs/issue15902.go

28 строки
467 B
Go

// run
// Copyright 2016 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.
// This test makes sure we don't use 4-byte unaligned writes
// to zero memory on architectures that don't support them.
package main
type T struct {
a byte
b [10]byte
}
//go:noinline
func f(t *T) {
// t will be aligned, so &t.b won't be.
t.b = [10]byte{}
}
var t T
func main() {
f(&t)
}