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/issue18906.go | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 test/fixedbugs/issue18906.go

(limited to 'test/fixedbugs/issue18906.go')

diff --git a/test/fixedbugs/issue18906.go b/test/fixedbugs/issue18906.go
new file mode 100644
index 0000000..544400b
--- /dev/null
+++ b/test/fixedbugs/issue18906.go
@@ -0,0 +1,36 @@
+// run
+
+// Copyright 2017 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
+
+//go:noinline
+func f(x int) {
+}
+
+//go:noinline
+func val() int8 {
+	return -1
+}
+
+var (
+	array = [257]int{}
+	slice = array[1:]
+)
+
+func init() {
+	for i := range array {
+		array[i] = i - 1
+	}
+}
+
+func main() {
+	x := val()
+	y := int(uint8(x))
+	f(y) // try and force y to be calculated and spilled
+	if slice[y] != 255 {
+		panic("incorrect value")
+	}
+}
-- 
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