Avoid fetching the opaque type origin when only "is this in the defining scope" is actually needed

compiler/rustc_trait_selection/src/solve/eval_ctxt/mod.rs

@@ -1,5 +1,5 @@
 use rustc_data_structures::stack::ensure_sufficient_stack;
-use rustc_hir::def_id::{DefId, LocalDefId};
+use rustc_hir::def_id::DefId;
 use rustc_infer::infer::at::ToTrace;
 use rustc_infer::infer::canonical::CanonicalVarValues;
 use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind};
@@ -935,8 +935,8 @@ impl<'tcx> EvalCtxt<'_, 'tcx> {
         }
     }
 
-    pub(super) fn can_define_opaque_ty(&self, def_id: LocalDefId) -> bool {
-        self.infcx.opaque_type_origin(def_id).is_some()
+    pub(super) fn can_define_opaque_ty(&self, def_id: impl Into<DefId>) -> bool {
+        self.infcx.can_define_opaque_ty(def_id)
     }
 
     pub(super) fn insert_hidden_type(

compiler/rustc_trait_selection/src/solve/trait_goals.rs

@@ -155,10 +155,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> {
         if let ty::Alias(ty::Opaque, opaque_ty) = goal.predicate.self_ty().kind() {
             if matches!(goal.param_env.reveal(), Reveal::All)
                 || matches!(ecx.solver_mode(), SolverMode::Coherence)
-                || opaque_ty
-                    .def_id
-                    .as_local()
-                    .is_some_and(|def_id| ecx.can_define_opaque_ty(def_id))
+                || ecx.can_define_opaque_ty(opaque_ty.def_id)
             {
                 return Err(NoSolution);
             }