go source for verification 2026-05-22

test/fixedbugs/issue8325.go

@@ -0,0 +1,31 @@
+// run
+
+// Copyright 2014 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 8325: corrupted byte operations during optimization
+// pass.
+
+package main
+
+const alphanum = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+
+func main() {
+	var bytes = []byte{10, 20, 30, 40, 50}
+
+	for i, b := range bytes {
+		bytes[i] = alphanum[b%byte(len(alphanum))]
+	}
+
+	for _, b := range bytes {
+		switch {
+		case '0' <= b && b <= '9',
+			'A' <= b && b <= 'Z':
+		default:
+			println("found a bad character", string(b))
+			panic("BUG")
+		}
+
+	}
+}