Adding upstream version 1.21.8.upstream/1.21.8

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 26 insertions, 0 deletions

diff --git a/test/fixedbugs/issue54467.go b/test/fixedbugs/issue54467.go
new file mode 100644
index 0000000..42e221c
--- /dev/null
+++ b/test/fixedbugs/issue54467.go
@@ -0,0 +1,26 @@
+// run
+
+// Copyright 2022 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() {
+	var x [64]byte
+	for i := range x {
+		x[i] = byte(i)
+	}
+	y := x
+
+	copy(x[4:36], x[2:34])
+	*(*[32]byte)(y[4:36]) = *(*[32]byte)(y[2:34])
+
+	for i := range x {
+		if x[i] != y[i] {
+			fmt.Printf("x[%v] = %v; y[%v] = %v\n", i, x[i], i, y[i])
+		}
+	}
+}