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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/fixedbugs/issue27829.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 'test/fixedbugs/issue27829.go')
-rw-r--r-- | test/fixedbugs/issue27829.go | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/test/fixedbugs/issue27829.go b/test/fixedbugs/issue27829.go new file mode 100644 index 0000000..9204043 --- /dev/null +++ b/test/fixedbugs/issue27829.go @@ -0,0 +1,27 @@ +// run + +// 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. + +// Bad AND/BTR combination rule. + +package main + +import "fmt" + +//go:noinline +func f(x uint64) uint64 { + return (x >> 48) &^ (uint64(0x4000)) +} + +func main() { + bad := false + if got, want := f(^uint64(0)), uint64(0xbfff); got != want { + fmt.Printf("got %x, want %x\n", got, want) + bad = true + } + if bad { + panic("bad") + } +} |