Querify lookup_stability.

Author: cjgillot

compiler/rustc_middle/src/middle/stability.rs

@@ -70,7 +70,6 @@ impl DeprecationEntry {
 pub struct Index {
     /// This is mostly a cache, except the stabilities of local items
     /// are filled by the annotator.
-    pub stab_map: LocalDefIdMap<Stability>,
     pub const_stab_map: LocalDefIdMap<ConstStability>,
     /// Mapping from feature name to feature name based on the `implied_by` field of `#[unstable]`
     /// attributes. If a `#[unstable(feature = "implier", implied_by = "impliee")]` attribute
@@ -88,10 +87,6 @@ pub struct Index {
 }
 
 impl Index {
-    pub fn local_stability(&self, def_id: LocalDefId) -> Option<Stability> {
-        self.stab_map.get(&def_id).copied()
-    }
-
     pub fn local_const_stability(&self, def_id: LocalDefId) -> Option<ConstStability> {
         self.const_stab_map.get(&def_id).copied()
     }