// 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 "cannot use a := 10 as value|expected .*;|declared and not used" } for b := 10 { // ERROR "cannot use b := 10 as value|parse error|declared and not used" } switch c := 10 { // ERROR "cannot use c := 10 as value|expected .*;|declared and not used" } }