From f8b15d85ded26b45aeed62ea541008a91e922096 Mon Sep 17 00:00:00 2001 From: Joshua Nelson <jyn514@gmail.com> Date: Sun, 7 Mar 2021 11:51:43 -0500 Subject: [PATCH] rustdoc: Don't enter an infer_ctxt in get_blanket_impls for impls that aren't blanket impls --- src/librustdoc/clean/blanket_impl.rs | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/src/librustdoc/clean/blanket_impl.rs b/src/librustdoc/clean/blanket_impl.rs index 4e4e1e5cbce2f..ec02b48ad9dfb 100644 --- a/src/librustdoc/clean/blanket_impl.rs +++ b/src/librustdoc/clean/blanket_impl.rs @@ -32,12 +32,8 @@ impl<'a, 'tcx> BlanketImplFinder<'a, 'tcx> { trait_def_id, impl_def_id ); let trait_ref = self.cx.tcx.impl_trait_ref(impl_def_id).unwrap(); - let may_apply = self.cx.tcx.infer_ctxt().enter(|infcx| { - match trait_ref.self_ty().kind() { - ty::Param(_) => {} - _ => return false, - } - + let is_param = matches!(trait_ref.self_ty().kind(), ty::Param(_)); + let may_apply = is_param && self.cx.tcx.infer_ctxt().enter(|infcx| { let substs = infcx.fresh_substs_for_item(DUMMY_SP, item_def_id); let ty = ty.subst(infcx.tcx, substs); let param_env = param_env.subst(infcx.tcx, substs);