Initial changes to librustc to support const trait fns.

[rust.git] / src / librustc_metadata / encoder.rs

diff --git a/src/librustc_metadata/encoder.rs b/src/librustc_metadata/encoder.rs
index f5631f5fab91f5988c79873a6856d717021a70a9..04ac32af7ccb848add6bd9bcd6576a23ef8bd3d0 100644 (file)
--- a/src/librustc_metadata/encoder.rs
+++ b/src/librustc_metadata/encoder.rs
@@ -16,7 +16,7 @@
 use rustc::middle::cstore::{LinkMeta, LinkagePreference, NativeLibrary,
                             EncodedMetadata};
 use rustc::hir::def::CtorKind;
-use rustc::hir::def_id::{CrateNum, CRATE_DEF_INDEX, DefIndex, DefId, LOCAL_CRATE};
+use rustc::hir::def_id::{CrateNum, CRATE_DEF_INDEX, DefIndex, DefId, LocalDefId, LOCAL_CRATE};
 use rustc::hir::map::definitions::DefPathTable;
 use rustc::ich::Fingerprint;
 use rustc::middle::dependency_format::Linkage;
@@ -181,6 +181,13 @@ fn specialized_encode(&mut self, span: &Span) -> Result<(), Self::Error> {
     }
 }
 
+impl<'a, 'tcx> SpecializedEncoder<LocalDefId> for EncodeContext<'a, 'tcx> {
+    #[inline]
+    fn specialized_encode(&mut self, def_id: &LocalDefId) -> Result<(), Self::Error> {
+        self.specialized_encode(&def_id.to_def_id())
+    }
+}
+
 impl<'a, 'tcx> SpecializedEncoder<Ty<'tcx>> for EncodeContext<'a, 'tcx> {
     fn specialized_encode(&mut self, ty: &Ty<'tcx>) -> Result<(), Self::Error> {
         ty_codec::encode_with_shorthand(self, ty, |ecx| &mut ecx.type_shorthands)