syntax_data: {"ast_node_type":"other","tokens":[{"end":40,"kind":"keyword","start":0,"text":"debug!(?cache_fresh_trait_pred);"}]}
source_snippet:         debug!(?cache_fresh_trait_pred);
context_before:         let cache_fresh_trait_pred = self.infcx.freshen(stack.obligation.predicate);
context_after:         debug_assert!(!stack.obligation.predicate.has_escaping_bound_vars());