use middle::ty::{self, TyCtxt, ParameterEnvironment};
use middle::traits::{self, ProjectionMode};
use middle::infer;
+use middle::subst::Subst;
use lint;
use util::nodemap::NodeMap;
if self.live_on_entry(entry_ln, self.s.no_ret_var).is_some() => {
let param_env = ParameterEnvironment::for_item(&self.ir.tcx, id);
+ let t_ret_subst = t_ret.subst(&self.ir.tcx, ¶m_env.free_substs);
let infcx = infer::new_infer_ctxt(&self.ir.tcx,
&self.ir.tcx.tables,
Some(param_env),
let cause = traits::ObligationCause::dummy();
let norm = traits::fully_normalize(&infcx,
cause,
- &t_ret);
+ &t_ret_subst);
if norm.unwrap().is_nil() {
// for nil return types, it is ok to not return a value expl.
--- /dev/null
+// Copyright 2016 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 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+pub trait Tr<'a> {
+ type Out;
+}
+
+pub fn f<'a, T: Tr<'a>>() -> <T as Tr<'a>>::Out {}
+//~^ ERROR not all control paths return a value
+
+pub fn main() {}