// errorcheck // Copyright 2017 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. // Make sure error message for invalid conditions // or tags are consistent with earlier Go versions. package p func _() { if a := 10 { // ERROR "a := 10 used as value" } for b := 10 { // ERROR "b := 10 used as value" } switch c := 10 { // ERROR "c := 10 used as value" } }