syntax_data: {"ast_node_type":"other","tokens":[{"end":60,"kind":"keyword","start":0,"text":"debug!(?obligation,"}]}
source_snippet:         debug!(?obligation, "confirm_fn_pointer_candidate");
context_before:     ) -> Result<PredicateObligations<'tcx>, SelectionError<'tcx>> {
context_after:         let placeholder_predicate = self.infcx.enter_forall_and_leak_universe(obligation.predicate);