From 43a123c1ae6613b3efeed291fa552ecd909d3acf Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 16 Apr 2024 21:23:18 +0200 Subject: Adding upstream version 1.20.14. Signed-off-by: Daniel Baumann --- test/codegen/zerosize.go | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 test/codegen/zerosize.go (limited to 'test/codegen/zerosize.go') diff --git a/test/codegen/zerosize.go b/test/codegen/zerosize.go new file mode 100644 index 0000000..ecf3305 --- /dev/null +++ b/test/codegen/zerosize.go @@ -0,0 +1,25 @@ +// asmcheck + +// Copyright 2018 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. + +// Make sure a pointer variable and a zero-sized variable +// aren't allocated to the same stack slot. +// See issue 24993. + +package codegen + +func zeroSize() { + c := make(chan struct{}) + // amd64:`MOVQ\t\$0, command-line-arguments\.s\+56\(SP\)` + var s *int + // force s to be a stack object, also use some (fixed) stack space + g(&s, 1, 2, 3, 4, 5) + + // amd64:`LEAQ\tcommand-line-arguments\..*\+55\(SP\)` + c <- struct{}{} +} + +//go:noinline +func g(**int, int, int, int, int, int) {} -- cgit v1.2.3