Small refactor

camsteffen · camsteffen · commit c9c14d0c1f04 · 2021-04-19T15:40:21.000-05:00
diff --git a/compiler/rustc_trait_selection/src/traits/object_safety.rs b/compiler/rustc_trait_selection/src/traits/object_safety.rs
@@ -439,8 +439,7 @@ fn virtual_call_violation_for_method<'tcx>(
         return Some(MethodViolationCode::WhereClauseReferencesSelf);
     }
 
-    let receiver_ty =
-        tcx.liberate_late_bound_regions(method.def_id, sig.map_bound(|sig| sig.inputs()[0]));
+    let receiver_ty = tcx.liberate_late_bound_regions(method.def_id, sig.input(0));
 
     // Until `unsized_locals` is fully implemented, `self: Self` can't be dispatched on.
     // However, this is already considered object-safe. We allow it as a special case here.

Original file line number	Diff line number	Diff line change
`@@ -439,8 +439,7 @@ fn virtual_call_violation_for_method<'tcx>(`
`439`	`439`	`return Some(MethodViolationCode::WhereClauseReferencesSelf);`
`440`	`440`	`}`
`441`	`441`
`442`		`- let receiver_ty =`
`443`		`- tcx.liberate_late_bound_regions(method.def_id, sig.map_bound(\|sig\| sig.inputs()[0]));`
	`442`	`+ let receiver_ty = tcx.liberate_late_bound_regions(method.def_id, sig.input(0));`
`444`	`443`
`445`	`444`	// Until `unsized_locals` is fully implemented, `self: Self` can't be dispatched on.
`446`	`445`	`// However, this is already considered object-safe. We allow it as a special case here.`