Encode CrateNum using the StableCrateId for incr. comp.

1 files changed, 4 insertions, 4 deletions

diff --git a/compiler/rustc_metadata/src/rmeta/decoder.rs b/compiler/rustc_metadata/src/rmeta/decoder.rs
index 52cb1e1996e..48900fecd3e 100644
--- a/compiler/rustc_metadata/src/rmeta/decoder.rs
+++ b/compiler/rustc_metadata/src/rmeta/decoder.rs
@@ -252,6 +252,10 @@ impl<'a, 'tcx> DecodeContext<'a, 'tcx> {
         self.cdata.expect("missing CrateMetadata in DecodeContext")
     }
 
+    fn map_encoded_cnum_to_current(&self, cnum: CrateNum) -> CrateNum {
+        if cnum == LOCAL_CRATE { self.cdata().cnum } else { self.cdata().cnum_map[cnum] }
+    }
+
     fn read_lazy_with_meta<T: ?Sized + LazyMeta>(
         &mut self,
         meta: T::Meta,
@@ -324,10 +328,6 @@ impl<'a, 'tcx> TyDecoder<'tcx> for DecodeContext<'a, 'tcx> {
         r
     }
 
-    fn map_encoded_cnum_to_current(&self, cnum: CrateNum) -> CrateNum {
-        if cnum == LOCAL_CRATE { self.cdata().cnum } else { self.cdata().cnum_map[cnum] }
-    }
-
     fn decode_alloc_id(&mut self) -> Result<rustc_middle::mir::interpret::AllocId, Self::Error> {
         if let Some(alloc_decoding_session) = self.alloc_decoding_session {
             alloc_decoding_session.decode_alloc_id(self)