go source for verification 2026-05-22

test/fixedbugs/bug278.go

@@ -0,0 +1,23 @@
+// errorcheck
+
+// 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.
+
+// This is a test case for issue 804.
+
+package main
+
+func f() [10]int {
+	return [10]int{}
+}
+
+var m map[int][10]int
+
+func main() {
+	f()[1] = 2	// ERROR "cannot|invalid"
+	f()[2:3][0] = 4	// ERROR "cannot|addressable"
+	var x = "abc"
+	x[2] = 3	// ERROR "cannot|invalid"
+	m[0][5] = 6  // ERROR "cannot|invalid"
+}