Initial commit: Go 1.23 release state

test/fixedbugs/issue13539.go

@@ -0,0 +1,20 @@
+// errorcheck
+
+// Copyright 2015 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.
+
+// Verify that a label named like a package is recognized
+// as a label rather than a package and that the package
+// remains unused.
+
+package main
+
+import "math" // ERROR "imported and not used"
+
+func main() {
+math:
+	for {
+		break math
+	}
+}