Recover when failing to normalize closure signature.

2022-02-04 23:18:28 +01:00
parent 2e45cd4b69
commit 0161ecd13f
7 changed files with 34 additions and 9 deletions
--- a/compiler/rustc_ty_utils/src/instance.rs
+++ b/compiler/rustc_ty_utils/src/instance.rs
@@ -332,12 +332,12 @@ fn resolve_associated_item<'tcx>(
        }),
        traits::ImplSource::Closure(closure_data) => {
            let trait_closure_kind = tcx.fn_trait_kind_from_lang_item(trait_id).unwrap();
-            Some(Instance::resolve_closure(
+            Instance::resolve_closure(
                tcx,
                closure_data.closure_def_id,
                closure_data.substs,
                trait_closure_kind,
-            ))
+            )
        }
        traits::ImplSource::FnPointer(ref data) => match data.fn_ty.kind() {
            ty::FnDef(..) | ty::FnPtr(..) => Some(Instance {