@Nullable
  private DeclarationDescriptor findCurrentDescriptorForMember(
      @NotNull MemberDescriptor originalDescriptor) {
    if (!isFromBuiltinModule(originalDescriptor)) return null;

    DeclarationDescriptor containingDeclaration =
        findCurrentDescriptor(originalDescriptor.getContainingDeclaration());
    JetScope memberScope = getMemberScope(containingDeclaration);
    if (memberScope == null) return null;

    String renderedOriginal = DescriptorRenderer.FQ_NAMES_IN_TYPES.render(originalDescriptor);
    Collection<? extends DeclarationDescriptor> descriptors;
    if (originalDescriptor instanceof ConstructorDescriptor
        && containingDeclaration instanceof ClassDescriptor) {
      descriptors = ((ClassDescriptor) containingDeclaration).getConstructors();
    } else {
      descriptors = memberScope.getAllDescriptors();
    }
    for (DeclarationDescriptor member : descriptors) {
      if (renderedOriginal.equals(DescriptorRenderer.FQ_NAMES_IN_TYPES.render(member))) {
        return member;
      }
    }
    return null;
  }
  public static void checkForLoadErrors(
      @NotNull PackageViewDescriptor packageFromJava, @NotNull BindingContext bindingContext) {
    Map<DeclarationDescriptor, List<String>> expectedErrors =
        getExpectedLoadErrors(packageFromJava);
    Map<DeclarationDescriptor, List<String>> actualErrors = getActualLoadErrors(bindingContext);

    for (DeclarationDescriptor descriptor :
        ContainerUtil.union(expectedErrors.keySet(), actualErrors.keySet())) {
      List<String> actual = actualErrors.get(descriptor);
      List<String> expected = expectedErrors.get(descriptor);
      String rendered = DescriptorRenderer.FQ_NAMES_IN_TYPES.render(descriptor);

      assertNotNull("Unexpected load error(s):\n" + actual + "\ncontainer:" + rendered, expected);
      assertNotNull("Missing load error(s):\n" + expected + "\ncontainer:" + rendered, actual);

      assertSameElements(
          "Unexpected/missing load error(s)\ncontainer:" + rendered, actual, expected);
    }
  }