// errorcheck // 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. // Issue 27356: function parameter hiding built-in function results in compiler crash package p var a = []int{1,2,3} func _(len int) { _ = len(a) // ERROR "cannot call non-function|expected function" } var cap = false var _ = cap(a) // ERROR "cannot call non-function|expected function"