{"ast_node_type":"variable","tokens":[{"end":92,"kind":"keyword","start":0,"text":"if"}]}
        if let Some(box VarDebugInfoFragment { ty, ref projection }) = debuginfo.composite {
    fn visit_var_debug_info(&mut self, debuginfo: &VarDebugInfo<'tcx>) {
            if ty.is_union() || ty.is_enum() {