syntax_data: {"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"self.infcx.enter_forall_and_leak_universe(obligation.predicate).trait_ref;"}]}
source_snippet:             self.infcx.enter_forall_and_leak_universe(obligation.predicate).trait_ref;
context_before:         let placeholder_trait_predicate =
context_after:         let placeholder_self_ty = self.infcx.shallow_resolve(placeholder_trait_predicate.self_ty());