bound_vars -> infer: don't return lt map

2022-06-02 12:48:56 +02:00
parent 543ca7d9e7
commit cc013e05b4
16 changed files with 40 additions and 54 deletions
--- a/compiler/rustc_trait_selection/src/traits/select/confirmation.rs
+++ b/compiler/rustc_trait_selection/src/traits/select/confirmation.rs
@@ -421,14 +421,11 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
        let object_trait_ref = data.principal().unwrap_or_else(|| {
            span_bug!(obligation.cause.span, "object candidate with no principal")
        });
-        let object_trait_ref = self
-            .infcx
-            .replace_bound_vars_with_fresh_vars(
-                obligation.cause.span,
-                HigherRankedType,
-                object_trait_ref,
-            )
-            .0;
+        let object_trait_ref = self.infcx.replace_bound_vars_with_fresh_vars(
+            obligation.cause.span,
+            HigherRankedType,
+            object_trait_ref,
+        );
        let object_trait_ref = object_trait_ref.with_self_ty(self.tcx(), self_ty);

        let mut nested = vec![];