// errorcheck // 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 6500: missing error when fallthrough appears in a block. package main func main() { var x int switch x { case 0: { fallthrough // ERROR "fallthrough" } case 1: { switch x { case 2: fallthrough case 3: } } fallthrough default: } }