Add var to BoundRegion. Add query to get bound vars for applicable items.

2020-10-26 14:18:31 -04:00
parent 666859a6f8
commit 6d5efa9f04
53 changed files with 1274 additions and 385 deletions
--- a/compiler/rustc_middle/src/query/mod.rs
+++ b/compiler/rustc_middle/src/query/mod.rs
@@ -1290,6 +1290,10 @@ rustc_queries! {
        -> Option<Vec<ObjectLifetimeDefault>> {
        desc { "looking up lifetime defaults for a region on an item" }
    }
+    query late_bound_vars_map(_: LocalDefId)
+        -> Option<&'tcx FxHashMap<ItemLocalId, Vec<ty::BoundVariableKind>>> {
+        desc { "looking up late bound vars" }
+    }

    query visibility(def_id: DefId) -> ty::Visibility {
        eval_always