diff options
Diffstat (limited to 'compiler/rustc_hir_analysis/src/bounds.rs')
-rw-r--r-- | compiler/rustc_hir_analysis/src/bounds.rs | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/compiler/rustc_hir_analysis/src/bounds.rs b/compiler/rustc_hir_analysis/src/bounds.rs index 6a28bb16a..3e3544ce6 100644 --- a/compiler/rustc_hir_analysis/src/bounds.rs +++ b/compiler/rustc_hir_analysis/src/bounds.rs @@ -60,13 +60,10 @@ impl<'tcx> Bounds<'tcx> { { // If it could be sized, and is, add the `Sized` predicate. let sized_predicate = self.implicitly_sized.and_then(|span| { - tcx.lang_items().sized_trait().map(move |sized| { - let trait_ref = ty::Binder::dummy(ty::TraitRef { - def_id: sized, - substs: tcx.mk_substs_trait(param_ty, &[]), - }); - (trait_ref.without_const().to_predicate(tcx), span) - }) + // FIXME: use tcx.at(span).mk_trait_ref(LangItem::Sized) here? This may make no-core code harder to write. + let sized = tcx.lang_items().sized_trait()?; + let trait_ref = ty::Binder::dummy(tcx.mk_trait_ref(sized, [param_ty])); + Some((trait_ref.without_const().to_predicate(tcx), span)) }); let region_preds = self.region_bounds.iter().map(move |&(region_bound, span)| { |