---

yaml
---
r: 184183
b: refs/heads/beta
c: 63f51ee
h: refs/heads/master
i:
  184181: a739049
  184179: 0cf1831
  184175: fc0e7d7
v: v3

Author: nikomatsakis

[refs]

@@ -31,7 +31,7 @@ refs/heads/automation-fail: 1bf06495443584539b958873e04cc2f864ab10e4
 refs/heads/issue-18208-method-dispatch-3-quick-reject: 2009f85b9f99dedcec4404418eda9ddba90258a2
 refs/heads/batch: b7fd822592a4fb577552d93010c4a4e14f314346
 refs/heads/building: 126db549b038c84269a1e4fe46f051b2c15d6970
-refs/heads/beta: d6e939a2df16338e9cf63ad19d1025a15069387c
+refs/heads/beta: 63f51ee90ccc1b7ab3a749ba7dbd4a3c76961c16
 refs/heads/windistfix: 7608dbad651f02e837ed05eef3d74a6662a6e928
 refs/tags/1.0.0-alpha: e42bd6d93a1d3433c486200587f8f9e12590a4d7
 refs/heads/tmp: c65fb1a81e5dc58cf171cc47f65de9e6e2119247

branches/beta/src/librustc/middle/traits/object_safety.rs

@@ -138,10 +138,11 @@ fn supertraits_reference_self<'tcx>(tcx: &ty::ctxt<'tcx>,
             match predicate {
                 ty::Predicate::Trait(ref data) => {
                     // In the case of a trait predicate, we can skip the "self" type.
-                    data.0.trait_ref.substs.types.get_slice(TypeSpace)
-                                                 .iter()
-                                                 .cloned()
-                                                 .any(is_self)
+                    Some(data.def_id()) != tcx.lang_items.phantom_fn() &&
+                        data.0.trait_ref.substs.types.get_slice(TypeSpace)
+                                                     .iter()
+                                                     .cloned()
+                                                     .any(is_self)
                 }
                 ty::Predicate::Projection(..) |
                 ty::Predicate::TypeOutlives(..) |

branches/beta/src/test/compile-fail/object-safety-phantom-fn.rs

@@ -0,0 +1,28 @@
+// Copyright 2014 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.
+
+// Check that `Self` appearing in a phantom fn does not make a trait not object safe.
+
+#![feature(rustc_attrs)]
+
+trait Baz : PhantomFn<Self> {
+}
+
+fn make_bar<T:Bar<u32>>(t: &T) -> &Bar<u32> {
+    t
+}
+
+fn make_baz<T:Baz>(t: &T) -> &Baz {
+    t
+}
+
+#[rustc_error]
+fn main() { //~ ERROR compilation successful
+}