{"ast_node_type":"other","tokens":[{"end":67,"kind":"keyword","start":0,"text":"if"}]}
        if mergeable_succ && !needs_landing_pad && !is_cleanupret {
        let (needs_landing_pad, is_cleanupret) = self.llbb_characteristics(fx, target);
            // We can merge the successor into this bb, so no need for a `br`.