Improve error message when we try to get_type on something that does …

…not have a type
Dylan-DPC-zz · Nov 18, 2020 · d38dbcb · d38dbcb
1 parent 071d8b1
commit d38dbcb
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/compiler/rustc_metadata/src/rmeta/decoder.rs b/compiler/rustc_metadata/src/rmeta/decoder.rs
@@ -947,7 +947,12 @@ impl<'a, 'tcx> CrateMetadataRef<'a> {
     }
 
     fn get_type(&self, id: DefIndex, tcx: TyCtxt<'tcx>) -> Ty<'tcx> {
-        self.root.tables.ty.get(self, id).unwrap().decode((self, tcx))
+        self.root
+            .tables
+            .ty
+            .get(self, id)
+            .unwrap_or_else(|| panic!("Not a type: {:?}", id))
+            .decode((self, tcx))
     }
 
     fn get_stability(&self, id: DefIndex) -> Option<attr::Stability> {