Make ObligationCtxt::normalize take cause by borrow

2022-11-25 18:40:52 +00:00
parent ce409b5200
commit 1e236acd05
11 changed files with 27 additions and 29 deletions
--- a/compiler/rustc_hir_analysis/src/lib.rs
+++ b/compiler/rustc_hir_analysis/src/lib.rs
@@ -332,7 +332,7 @@ fn check_main_fn_ty(tcx: TyCtxt<'_>, main_def_id: DefId) {
            ObligationCauseCode::MainFunctionType,
        );
        let ocx = traits::ObligationCtxt::new(&infcx);
-        let norm_return_ty = ocx.normalize(cause.clone(), param_env, return_ty);
+        let norm_return_ty = ocx.normalize(&cause, param_env, return_ty);
        ocx.register_bound(cause, param_env, norm_return_ty, term_did);
        let errors = ocx.select_all_or_error();
        if !errors.is_empty() {