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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 13:18:25 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 13:18:25 +0000 |
commit | 109be507377fe7f6e8819ac94041d3fdcdf6fd2f (patch) | |
tree | 2806a689f8fab4a2ec9fc949830ef270a91d667d /test/fixedbugs/issue12411.go | |
parent | Initial commit. (diff) | |
download | golang-1.19-109be507377fe7f6e8819ac94041d3fdcdf6fd2f.tar.xz golang-1.19-109be507377fe7f6e8819ac94041d3fdcdf6fd2f.zip |
Adding upstream version 1.19.8.upstream/1.19.8upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'test/fixedbugs/issue12411.go')
-rw-r--r-- | test/fixedbugs/issue12411.go | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/test/fixedbugs/issue12411.go b/test/fixedbugs/issue12411.go new file mode 100644 index 0000000..ff49314 --- /dev/null +++ b/test/fixedbugs/issue12411.go @@ -0,0 +1,24 @@ +// +build !386 +// run + +// Copyright 2015 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 12411. Loss of AX during %. + +package main + +func main() { + x := f(4) + if x != 0 { + println("BUG: x=", x) + } +} + +//go:noinline +func f(x int) int { + // AX was live on entry to one of the % code generations, + // and the % code generation smashed it. + return ((2 * x) % 3) % (2 % ((x << 2) ^ (x % 3))) +} |