Compute generator saved locals on MIR.

compiler/rustc_middle/src/query/mod.rs

@@ -478,6 +478,10 @@ rustc_queries! {
         separate_provide_extern
     }
 
+    query check_generator_obligations(key: LocalDefId) {
+        desc { |tcx| "verify auto trait bounds for generator interior type `{}`", tcx.def_path_str(key.to_def_id()) }
+    }
+
     /// MIR after our optimization passes have run. This is MIR that is ready
     /// for codegen. This is also the only query that can fetch non-local MIR, at present.
     query optimized_mir(key: DefId) -> &'tcx mir::Body<'tcx> {