query-fy type_name

src/librustc/query/mod.rs

@@ -441,6 +441,15 @@ rustc_queries! {
             no_force
             desc { "extract field of const" }
         }
+
+        /// Produces an absolute path representation of the given type. See also the documentation
+        /// on `std::any::type_name`.
+        query type_name(key: Ty<'tcx>) -> &'tcx ty::Const<'tcx> {
+            eval_always
+            no_force
+            desc { "get absolute path of type" }
+        }
+
     }
 
     TypeChecking {