// Copyright 2015 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. // Check that writing an overlapping impl is not allow unless specialization is ungated. // gate-test-specialization trait Foo { fn foo(&self); } impl Foo for T { fn foo(&self) {} } impl Foo for u8 { //~ ERROR E0119 fn foo(&self) {} } fn main() {}