1// run
2
3// Copyright 2023 The Go Authors. All rights reserved.
4// Use of this source code is governed by a BSD-style
5// license that can be found in the LICENSE file.
6
7// Test that zero-sized variables get same address as
8// runtime.zerobase.
9
10package main
11
12var x, y [0]int
13var p, q = new([0]int), new([0]int) // should get &runtime.zerobase
14
15func main() {
16	if &x != &y {
17		// Failing for now. x and y are at same address, but compiler optimizes &x==&y to false. Skip.
18		// print("&x=", &x, " &y=", &y, " &x==&y = ", &x==&y, "\n")
19		// panic("FAIL")
20	}
21	if p != q {
22		print("p=", p, " q=", q, " p==q = ", p==q, "\n")
23		panic("FAIL")
24	}
25	if &x != p {
26		print("&x=", &x, " p=", p, " &x==p = ", &x==p, "\n")
27		panic("FAIL")
28	}
29	if &y != p {
30		print("&y=", &y, " p=", p, " &y==p = ", &y==p, "\n")
31		panic("FAIL")
32	}
33}
34