From ccd992355df7192993c666236047820244914598 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Tue, 16 Apr 2024 21:19:13 +0200
Subject: Adding upstream version 1.21.8.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 test/fixedbugs/issue12133.go | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 test/fixedbugs/issue12133.go

(limited to 'test/fixedbugs/issue12133.go')

diff --git a/test/fixedbugs/issue12133.go b/test/fixedbugs/issue12133.go
new file mode 100644
index 0000000..bbf9fb0
--- /dev/null
+++ b/test/fixedbugs/issue12133.go
@@ -0,0 +1,26 @@
+// 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 12133.  The CX register was getting clobbered
+// because we did not keep track of its allocation correctly.
+
+package main
+
+import "fmt"
+
+func main() {
+	want := uint(48)
+	got := f1(48)
+	if got != want {
+		fmt.Println("got", got, ", wanted", want)
+		panic("bad")
+	}
+}
+
+//go:noinline
+func f1(v1 uint) uint {
+	return v1 >> ((1 >> v1) + (1 >> v1))
+}
-- 
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