{"ast_node_type":"variable","tokens":[{"end":62,"kind":"keyword","start":0,"text":"let"}]}
        let zero = bx.cx.context.new_rvalue_zero(bx.int_type);
        let eh_pointer_builtin = bx.cx.context.get_target_builtin_function("__builtin_eh_pointer");
        let ptr = bx.cx.context.new_call(None, eh_pointer_builtin, &[zero]);