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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:19:13 +0000 |
commit | ccd992355df7192993c666236047820244914598 (patch) | |
tree | f00fea65147227b7743083c6148396f74cd66935 /test/zerosize.go | |
parent | Initial commit. (diff) | |
download | golang-1.21-ccd992355df7192993c666236047820244914598.tar.xz golang-1.21-ccd992355df7192993c666236047820244914598.zip |
Adding upstream version 1.21.8.upstream/1.21.8
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | test/zerosize.go | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/test/zerosize.go b/test/zerosize.go new file mode 100644 index 0000000..53a29f7 --- /dev/null +++ b/test/zerosize.go @@ -0,0 +1,33 @@ +// run + +// Copyright 2023 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. + +// Test that zero-sized variables get same address as +// runtime.zerobase. + +package main + +var x, y [0]int +var p, q = new([0]int), new([0]int) // should get &runtime.zerobase + +func main() { + if &x != &y { + // Failing for now. x and y are at same address, but compiler optimizes &x==&y to false. Skip. + // print("&x=", &x, " &y=", &y, " &x==&y = ", &x==&y, "\n") + // panic("FAIL") + } + if p != q { + print("p=", p, " q=", q, " p==q = ", p==q, "\n") + panic("FAIL") + } + if &x != p { + print("&x=", &x, " p=", p, " &x==p = ", &x==p, "\n") + panic("FAIL") + } + if &y != p { + print("&y=", &y, " p=", p, " &y==p = ", &y==p, "\n") + panic("FAIL") + } +} |