};
use crate::traits::{ObligationCause, ObligationCauseCode};
use rustc_data_structures::undo_log::UndoLogs;
+use rustc_errors::ErrorGuaranteed;
use rustc_hir::def_id::DefId;
use rustc_hir::def_id::LocalDefId;
use rustc_middle::mir::ConstraintCategory;
&self,
generic_param_scope: LocalDefId,
outlives_env: &OutlivesEnvironment<'tcx>,
- ) {
+ ) -> Option<ErrorGuaranteed> {
self.process_registered_region_obligations(
outlives_env.region_bound_pairs(),
outlives_env.param_env,