fix: use LocalDefId instead of HirId in trait res

use LocalDefId instead of HirId in trait resolution to simplify
the obligation clause resolution

Signed-off-by: Vincenzo Palazzo <[email protected]>

Author: vincenzopalazzo

clippy_lints/src/future_not_send.rs

@@ -78,7 +78,8 @@ impl<'tcx> LateLintPass<'tcx> for FutureNotSend {
                 let send_trait = cx.tcx.get_diagnostic_item(sym::Send).unwrap();
                 let span = decl.output.span();
                 let infcx = cx.tcx.infer_ctxt().build();
-                let cause = traits::ObligationCause::misc(span, hir_id);
+                let def_id = cx.tcx.hir().local_def_id(hir_id);
+                let cause = traits::ObligationCause::misc(span, def_id);
                 let send_errors = traits::fully_solve_bound(&infcx, cause, cx.param_env, ret_ty, send_trait);
                 if !send_errors.is_empty() {
                     span_lint_and_then(

clippy_lints/src/methods/unnecessary_to_owned.rs

@@ -371,7 +371,7 @@ fn can_change_type<'a>(cx: &LateContext<'a>, mut expr: &'a Expr<'a>, mut ty: Ty<
                 && let output_ty = return_ty(cx, item.hir_id())
                 && let local_def_id = cx.tcx.hir().local_def_id(item.hir_id())
                 && Inherited::build(cx.tcx, local_def_id).enter(|inherited| {
-                    let fn_ctxt = FnCtxt::new(inherited, cx.param_env, item.hir_id());
+                    let fn_ctxt = FnCtxt::new(inherited, cx.param_env, local_def_id);
                     fn_ctxt.can_coerce(ty, output_ty)
                 }) {
                     if has_lifetime(output_ty) && has_lifetime(ty) {

clippy_lints/src/transmute/utils.rs

@@ -46,7 +46,7 @@ fn check_cast<'tcx>(cx: &LateContext<'tcx>, e: &'tcx Expr<'_>, from_ty: Ty<'tcx>
     let local_def_id = hir_id.owner.def_id;
 
     Inherited::build(cx.tcx, local_def_id).enter(|inherited| {
-        let fn_ctxt = FnCtxt::new(inherited, cx.param_env, hir_id);
+        let fn_ctxt = FnCtxt::new(inherited, cx.param_env, local_def_id);
 
         // If we already have errors, we can't be sure we can pointer cast.
         assert!(