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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 13:14:23 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 13:14:23 +0000 |
commit | 73df946d56c74384511a194dd01dbe099584fd1a (patch) | |
tree | fd0bcea490dd81327ddfbb31e215439672c9a068 /test/fixedbugs/issue5809.go | |
parent | Initial commit. (diff) | |
download | golang-1.16-73df946d56c74384511a194dd01dbe099584fd1a.tar.xz golang-1.16-73df946d56c74384511a194dd01dbe099584fd1a.zip |
Adding upstream version 1.16.10.upstream/1.16.10upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'test/fixedbugs/issue5809.go')
-rw-r--r-- | test/fixedbugs/issue5809.go | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/test/fixedbugs/issue5809.go b/test/fixedbugs/issue5809.go new file mode 100644 index 0000000..fc8eeef --- /dev/null +++ b/test/fixedbugs/issue5809.go @@ -0,0 +1,27 @@ +// run + +// Copyright 2013 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 5809: 6g and 8g attempted to constant propagate indexed LEA + +package main + +import "fmt" + +func main() { + const d16 = "0123456789ABCDEF" + k := 0x1234 + var x [4]byte + + x[0] = d16[k>>12&0xf] + x[1] = d16[k>>8&0xf] + x[2] = d16[k>>4&0xf] + x[3] = d16[k&0xf] + + if x != [4]byte{'1','2','3','4'} { + fmt.Println(x) + panic("x != [4]byte{'1','2','3','4'}") + } +} |