summaryrefslogtreecommitdiffstats
path: root/test/fixedbugs/issue23812.go
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:18:25 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:18:25 +0000
commit109be507377fe7f6e8819ac94041d3fdcdf6fd2f (patch)
tree2806a689f8fab4a2ec9fc949830ef270a91d667d /test/fixedbugs/issue23812.go
parentInitial commit. (diff)
downloadgolang-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/issue23812.go')
-rw-r--r--test/fixedbugs/issue23812.go34
1 files changed, 34 insertions, 0 deletions
diff --git a/test/fixedbugs/issue23812.go b/test/fixedbugs/issue23812.go
new file mode 100644
index 0000000..0a40deb
--- /dev/null
+++ b/test/fixedbugs/issue23812.go
@@ -0,0 +1,34 @@
+// 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.
+
+package main
+
+import "fmt"
+
+func main() {
+ want := int32(0x3edae8)
+ got := foo(1)
+ if want != got {
+ panic(fmt.Sprintf("want %x, got %x", want, got))
+ }
+}
+
+func foo(a int32) int32 {
+ return shr1(int32(shr2(int64(0x14ff6e2207db5d1f), int(a))), 4)
+}
+
+func shr1(n int32, m int) int32 { return n >> uint(m) }
+
+func shr2(n int64, m int) int64 {
+ if m < 0 {
+ m = -m
+ }
+ if m >= 64 {
+ return n
+ }
+
+ return n >> uint(m)
+}