// Copyright 2018 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. // Check error message for use of = instead of == . package p func _() { if true || 0 /* ERROR cannot use assignment .* as value */ = 1 { } } func _(a, b string) { if a == "a" && b /* ERROR cannot use assignment .* as value */ = "b" { } }