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Add bound_impl_trait_ref

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This commit is contained in:
Jack Huey
2022-05-08 20:53:36 -04:00
parent 6c05e8d009
commit 0247faed29
8 changed files with 28 additions and 25 deletions
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6
compiler/rustc_trait_selection/src/traits/select/mod.rs
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@@ -2066,12 +2066,12 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
impl_def_id: DefId,
obligation: &TraitObligation<'tcx>,
) -> Result<Normalized<'tcx, SubstsRef<'tcx>>, ()> {
let impl_trait_ref = self.tcx().impl_trait_ref(impl_def_id).unwrap();
let impl_trait_ref = self.tcx().bound_impl_trait_ref(impl_def_id).unwrap();
// Before we create the substitutions and everything, first
// consider a "quick reject". This avoids creating more types
// and so forth that we need to.
if self.fast_reject_trait_refs(obligation, &impl_trait_ref) {
if self.fast_reject_trait_refs(obligation, &impl_trait_ref.0) {
return Err(());
}
@@ -2081,7 +2081,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
let impl_substs = self.infcx.fresh_substs_for_item(obligation.cause.span, impl_def_id);
let impl_trait_ref = EarlyBinder(impl_trait_ref).subst(self.tcx(), impl_substs);
let impl_trait_ref = impl_trait_ref.subst(self.tcx(), impl_substs);
debug!(?impl_trait_ref);