Queryify is_item_mir_available

src/librustc/middle/cstore.rs

@@ -250,8 +250,6 @@ pub trait CrateStore {
     fn item_body<'a, 'tcx>(&self, tcx: TyCtxt<'a, 'tcx, 'tcx>, def: DefId)
                            -> &'tcx hir::Body;
 
-    fn is_item_mir_available(&self, def: DefId) -> bool;
-
     // This is basically a 1-based range of ints, which is a little
     // silly - I may fix that.
     fn crates(&self) -> Vec<CrateNum>;
@@ -399,10 +397,6 @@ impl CrateStore for DummyCrateStore {
         bug!("item_body")
     }
 
-    fn is_item_mir_available(&self, def: DefId) -> bool {
-        bug!("is_item_mir_available")
-    }
-
     // This is basically a 1-based range of ints, which is a little
     // silly - I may fix that.
     fn crates(&self) -> Vec<CrateNum> { vec![] }

src/librustc/ty/maps.rs

@@ -305,6 +305,13 @@ impl<'tcx> QueryDescription for queries::const_is_rvalue_promotable_to_static<'t
     }
 }
 
+impl<'tcx> QueryDescription for queries::is_item_mir_available<'tcx> {
+    fn describe(tcx: TyCtxt, def_id: DefId) -> String {
+        format!("checking if item is mir available: `{}`",
+            tcx.item_path_str(def_id))
+    }
+}
+
 macro_rules! define_maps {
     (<$tcx:tt>
      $($(#[$attr:meta])*
@@ -595,6 +602,7 @@ define_maps! { <'tcx>
 
     [] item_body_nested_bodies: metadata_dep_node(DefId) -> Rc<BTreeMap<hir::BodyId, hir::Body>>,
     [] const_is_rvalue_promotable_to_static: metadata_dep_node(DefId) -> bool,
+    [] is_item_mir_available: metadata_dep_node(DefId) -> bool,
 }
 
 fn coherent_trait_dep_node((_, def_id): (CrateNum, DefId)) -> DepNode<DefId> {

src/librustc/ty/mod.rs

@@ -2332,7 +2332,7 @@ impl<'a, 'gcx, 'tcx> TyCtxt<'a, 'gcx, 'tcx> {
             return None;
         }
 
-        if !did.is_local() && !self.sess.cstore.is_item_mir_available(did) {
+        if !did.is_local() && !self.is_item_mir_available(did) {
             return None;
         }