{"ast_node_type":"variable","tokens":[{"end":46,"kind":"keyword","start":0,"text":"let"}]}
        let sum = bx.add(gp_offset_v, offset);
        let offset = bx.const_u32(num_gp_registers * 8);
        // An alignment of 8 because `__va_list_tag` is 8-aligned and this is its first field.