From ccd992355df7192993c666236047820244914598 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 16 Apr 2024 21:19:13 +0200 Subject: Adding upstream version 1.21.8. Signed-off-by: Daniel Baumann --- test/fixedbugs/issue8036.go | 45 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 test/fixedbugs/issue8036.go (limited to 'test/fixedbugs/issue8036.go') diff --git a/test/fixedbugs/issue8036.go b/test/fixedbugs/issue8036.go new file mode 100644 index 0000000..82ba7f7 --- /dev/null +++ b/test/fixedbugs/issue8036.go @@ -0,0 +1,45 @@ +// run + +// Copyright 2014 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 8036. Stores necessary for stack scan being eliminated as redundant by optimizer. + +package main + +import "runtime" + +type T struct { + X *int + Y *int + Z *int +} + +type TI [3]uintptr + +//go:noinline +func G() (t TI) { + t[0] = 1 + t[1] = 2 + t[2] = 3 + return +} + +//go:noinline +func F() (t T) { + t.X = newint() + t.Y = t.X + t.Z = t.Y + return +} + +func newint() *int { + runtime.GC() + return nil +} + +func main() { + G() // leave non-pointers where F's return values go + F() +} -- cgit v1.2.3