go source for verification 2026-05-22

test/fixedbugs/bug261.go

@@ -0,0 +1,23 @@
+// run
+
+// Copyright 2010 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
+
+var n int
+
+func f() int {
+	n++
+	return n
+}
+
+func main() {
+	x := []int{0,1,2,3,4,5,6,7,8,9,10}
+	n = 5
+	y := x[f():f()]
+	if len(y) != 1 || y[0] != 6 {
+		println("BUG bug261", len(y), y[0])
+	}
+}