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author | Michael Stapelberg <stapelberg@debian.org> | 2014-06-19 09:22:53 +0200 |
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committer | Michael Stapelberg <stapelberg@debian.org> | 2014-06-19 09:22:53 +0200 |
commit | 8a39ee361feb9bf46d728ff1ba4f07ca1d9610b1 (patch) | |
tree | 4449f2036cccf162e8417cc5841a35815b3e7ac5 /test/fixedbugs/issue8036.go | |
parent | c8bf49ef8a92e2337b69c14b9b88396efe498600 (diff) | |
download | golang-8a39ee361feb9bf46d728ff1ba4f07ca1d9610b1.tar.gz |
Imported Upstream version 1.3upstream/1.3
Diffstat (limited to 'test/fixedbugs/issue8036.go')
-rw-r--r-- | test/fixedbugs/issue8036.go | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/test/fixedbugs/issue8036.go b/test/fixedbugs/issue8036.go new file mode 100644 index 000000000..f32fde84a --- /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 + +func G() (t TI) { + t[0] = 1 + t[1] = 2 + t[2] = 3 + runtime.GC() // prevent inlining + return +} + +func F() (t T) { + t.X = newint() + t.Y = t.X + t.Z = t.Y + runtime.GC() // prevent inlining + return +} + +func newint() *int { + runtime.GC() + return nil +} + +func main() { + G() // leave non-pointers where F's return values go + F() +} |