From ae0bef778ab184636f06266fab5fbdec306e2ca1 Mon Sep 17 00:00:00 2001 From: Michael Goulet Date: Wed, 2 Jul 2025 00:29:51 +0000 Subject: [PATCH] Remove fast path from codegen_select, since Sized has no methods --- compiler/rustc_traits/src/codegen.rs | 11 ++--------- 1 file changed, 2 insertions(+), 9 deletions(-) diff --git a/compiler/rustc_traits/src/codegen.rs b/compiler/rustc_traits/src/codegen.rs index 9d1440105618..7dd3c59edd05 100644 --- a/compiler/rustc_traits/src/codegen.rs +++ b/compiler/rustc_traits/src/codegen.rs @@ -6,11 +6,11 @@ use rustc_infer::infer::TyCtxtInferExt; use rustc_middle::bug; use rustc_middle::traits::CodegenObligationError; -use rustc_middle::ty::{self, PseudoCanonicalInput, TyCtxt, TypeVisitableExt, Upcast}; +use rustc_middle::ty::{self, PseudoCanonicalInput, TyCtxt, TypeVisitableExt}; use rustc_trait_selection::error_reporting::InferCtxtErrorExt; use rustc_trait_selection::traits::{ ImplSource, Obligation, ObligationCause, ObligationCtxt, ScrubbedTraitError, SelectionContext, - SelectionError, sizedness_fast_path, + SelectionError, }; use tracing::debug; @@ -34,13 +34,6 @@ pub(crate) fn codegen_select_candidate<'tcx>( let (infcx, param_env) = tcx.infer_ctxt().ignoring_regions().build_with_typing_env(typing_env); let mut selcx = SelectionContext::new(&infcx); - if sizedness_fast_path(tcx, trait_ref.upcast(tcx)) { - return Ok(&*tcx.arena.alloc(ImplSource::Builtin( - ty::solve::BuiltinImplSource::Trivial, - Default::default(), - ))); - } - let obligation_cause = ObligationCause::dummy(); let obligation = Obligation::new(tcx, obligation_cause, param_env, trait_ref);