syntax_data: {"ast_node_type":"other","tokens":[{"end":73,"kind":"keyword","start":0,"text":"ty::PredicateKind::Clause(ty::ClauseKind::WellFormed(_))"}]}
source_snippet:             ty::PredicateKind::Clause(ty::ClauseKind::WellFormed(_)) => {
context_before:             }
context_after:                 // FIXME(generic_const_exprs): GCE needs well-formedness predicates to be