{"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"ecx.try_evaluate_added_goals()?;"}]}
                ecx.try_evaluate_added_goals()?;
            Self::match_assumption(ecx, goal, assumption, |ecx| {
                source.set(ecx.characterize_param_env_assumption(goal.param_env, assumption)?);