Rollup merge of rust-lang#156636 - Human9000-bit:mir-transform-ref, r=Kivooeo

minor `rustc_mir_transform` cleanup

Some minor things I noticed here and there while reading though code

Author: JonathanBrouwer

compiler/rustc_mir_transform/src/inline.rs

@@ -1072,8 +1072,7 @@ fn make_call_args<'tcx, I: Inliner<'tcx>>(
     //
     // and the vector is `[closure_ref, tmp0, tmp1, tmp2]`.
     if callsite.fn_sig.abi() == ExternAbi::RustCall && callee_body.spread_arg.is_none() {
-        // FIXME(edition_2024): switch back to a normal method call.
-        let mut args = <_>::into_iter(args);
+        let mut args = args.into_iter();
         let self_ = create_temp_if_necessary(
             inliner,
             args.next().unwrap().node,

compiler/rustc_mir_transform/src/pass_manager.rs

@@ -296,15 +296,14 @@ fn run_passes_inner<'tcx>(
 
             if is_optimization_stage(body, phase_change, optimizations)
                 && let Some(limit) = &tcx.sess.opts.unstable_opts.mir_opt_bisect_limit
-            {
-                if limited_by_opt_bisect(
+                && limited_by_opt_bisect(
                     tcx,
                     tcx.def_path_debug_str(body.source.def_id()),
                     *limit,
                     *pass,
-                ) {
-                    continue;
-                }
+                )
+            {
+                continue;
             }
 
             let dumper = if pass.is_mir_dump_enabled()