!IsCompilableWhile(node, lib_runtime, stack_trace, encapsulating_function,
                         uncompilable_nodes)) {
    LogNotCompilable(node, "unsupported while");
    return false;
  }

  if (node.IsIfNode() &&
      !IsCompilableIf(node, lib_runtime, stack_trace, encapsulating_function,
                      uncompilable_nodes)) {
    LogNotCompilable(node, "unsupported if");
    return false;
  }