// Copyright 2018 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. fn main() { // Make sure match uses the usual pointer comparison code path -- i.e., it should complain // that pointer comparison is disallowed, not that parts of a pointer are accessed as raw // bytes. let _: [u8; 0] = [4; { //~ ERROR could not evaluate repeat length match &1 as *const i32 as usize { //~ ERROR raw pointers cannot be cast to integers 0 => 42, //~ ERROR constant contains unimplemented expression type //~^ NOTE "pointer arithmetic or comparison" needs an rfc before being allowed n => n, } }]; }