diff --git a/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/JavaDescriptorResolver.java b/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/JavaDescriptorResolver.java
index 556323eed38..1cba29a3dde 100644
--- a/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/JavaDescriptorResolver.java
+++ b/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/JavaDescriptorResolver.java
@@ -356,6 +356,15 @@ public class JavaDescriptorResolver {
 
 
 
+    @Nullable
+    private ClassDescriptor resolveJavaLangObject() {
+        ClassDescriptor clazz = resolveClass(JdkNames.JL_OBJECT.getFqName(), DescriptorSearchRule.IGNORE_IF_FOUND_IN_KOTLIN);
+        if (clazz == null) {
+            // TODO: warning
+        }
+        return clazz;
+    }
+
     @Nullable
     public ClassDescriptor resolveClass(@NotNull FqName qualifiedName, @NotNull DescriptorSearchRule searchRule) {
         List<Runnable> tasks = Lists.newArrayList();
@@ -466,7 +475,7 @@ public class JavaDescriptorResolver {
                 "class " + psiClass.getQualifiedName());
 
         // TODO: ugly hack: tests crash if initializeTypeParameters called with class containing proper supertypes
-        supertypes.addAll(getSupertypes(new PsiClassWrapper(psiClass), classData.classDescriptor, classData.getTypeParameters()));
+        supertypes.addAll(getSupertypes(new PsiClassWrapper(psiClass), classData, classData.getTypeParameters()));
 
         PsiMethod[] psiConstructors = psiClass.getConstructors();
 
@@ -599,7 +608,7 @@ public class JavaDescriptorResolver {
 
         classDescriptorCache.put(fqName, classData);
 
-        classData.classDescriptor.setSupertypes(getSupertypes(new PsiClassWrapper(classObjectPsiClass), classData.classDescriptor, new ArrayList<TypeParameterDescriptor>(0)));
+        classData.classDescriptor.setSupertypes(getSupertypes(new PsiClassWrapper(classObjectPsiClass), classData, new ArrayList<TypeParameterDescriptor>(0)));
         classData.classDescriptor.setName(JetPsiUtil.NO_NAME_PROVIDED); // TODO
         classData.classDescriptor.setModality(Modality.FINAL);
         classData.classDescriptor.setVisibility(containing.getVisibility());
@@ -862,7 +871,9 @@ public class JavaDescriptorResolver {
         }
     }
 
-    private Collection<JetType> getSupertypes(PsiClassWrapper psiClass, ClassDescriptor classDescriptor, List<TypeParameterDescriptor> typeParameters) {
+    private Collection<JetType> getSupertypes(PsiClassWrapper psiClass, ResolverBinaryClassData classData, List<TypeParameterDescriptor> typeParameters) {
+        ClassDescriptor classDescriptor = classData.classDescriptor;
+
         final List<JetType> result = new ArrayList<JetType>();
 
         String context = "class " + psiClass.getQualifiedName();
@@ -908,7 +919,21 @@ public class JavaDescriptorResolver {
         }
         
         if (result.isEmpty()) {
-            result.add(JetStandardClasses.getAnyType());
+            if (classData.kotlin
+                    || psiClass.getQualifiedName().equals(JdkNames.JL_OBJECT.getFqName().getFqName())
+                    // TODO: annotations
+                    || classDescriptor.getKind() == ClassKind.ANNOTATION_CLASS) {
+                result.add(JetStandardClasses.getAnyType());
+            }
+            else {
+                ClassDescriptor object = resolveJavaLangObject();
+                if (object != null) {
+                    result.add(object.getDefaultType());
+                }
+                else {
+                    result.add(JetStandardClasses.getAnyType());
+                }
+            }
         }
         return result;
     }
diff --git a/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/JdkNames.java b/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/JdkNames.java
new file mode 100644
index 00000000000..7e28b65fa27
--- /dev/null
+++ b/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/JdkNames.java
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2010-2012 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.jet.lang.resolve.java;
+
+/**
+ * @author Stepan Koltsov
+ */
+public class JdkNames {
+
+    public static final JvmClassName JL_OBJECT = new JvmClassName("java.lang.Object");
+
+}
diff --git a/compiler/testData/readJavaBinaryClass/ClassWithTypeP.kt b/compiler/testData/readJavaBinaryClass/ClassWithTypeP.kt
index 8dcfa0c26af..4f369bcdfed 100644
--- a/compiler/testData/readJavaBinaryClass/ClassWithTypeP.kt
+++ b/compiler/testData/readJavaBinaryClass/ClassWithTypeP.kt
@@ -1,4 +1,4 @@
 package test
 
-class ClassWithTypeParameter<erased P>() {
+class ClassWithTypeParameter<erased P>() : java.lang.Object() {
 }
diff --git a/compiler/testData/readJavaBinaryClass/ClassWithTypeP.txt b/compiler/testData/readJavaBinaryClass/ClassWithTypeP.txt
index 53703ad2b25..01261cbf19a 100644
--- a/compiler/testData/readJavaBinaryClass/ClassWithTypeP.txt
+++ b/compiler/testData/readJavaBinaryClass/ClassWithTypeP.txt
@@ -1,5 +1,5 @@
 namespace test
 
-final class test.ClassWithTypeParameter</*0*/ P : jet.Any?> : jet.Any {
+final class test.ClassWithTypeParameter</*0*/ P : jet.Any?> : java.lang.Object {
     final /*constructor*/ fun </*0*/ P : jet.Any?><init>(): test.ClassWithTypeParameter<P>
 }
diff --git a/compiler/testData/readJavaBinaryClass/ClassWithTypePP.kt b/compiler/testData/readJavaBinaryClass/ClassWithTypePP.kt
index c310804bec9..c3899003821 100644
--- a/compiler/testData/readJavaBinaryClass/ClassWithTypePP.kt
+++ b/compiler/testData/readJavaBinaryClass/ClassWithTypePP.kt
@@ -1,4 +1,4 @@
 package test
 
-class ClassWithTypeParameter<erased P, erased Q : P>() {
+class ClassWithTypeParameter<erased P, erased Q : P>() : java.lang.Object() {
 }
diff --git a/compiler/testData/readJavaBinaryClass/ClassWithTypePP.txt b/compiler/testData/readJavaBinaryClass/ClassWithTypePP.txt
index 006e0c79287..0fde4b88b3c 100644
--- a/compiler/testData/readJavaBinaryClass/ClassWithTypePP.txt
+++ b/compiler/testData/readJavaBinaryClass/ClassWithTypePP.txt
@@ -1,5 +1,5 @@
 namespace test
 
-final class test.ClassWithTypeParameter</*0*/ P : jet.Any?, /*1*/ Q : P> : jet.Any {
+final class test.ClassWithTypeParameter</*0*/ P : jet.Any?, /*1*/ Q : P> : java.lang.Object {
     final /*constructor*/ fun </*0*/ P : jet.Any?, /*1*/ Q : P><init>(): test.ClassWithTypeParameter<P, Q>
 }
diff --git a/compiler/testData/readJavaBinaryClass/ClassWithTypePRefSelf.kt b/compiler/testData/readJavaBinaryClass/ClassWithTypePRefSelf.kt
index 7235e9985fd..d1a1e889d3d 100644
--- a/compiler/testData/readJavaBinaryClass/ClassWithTypePRefSelf.kt
+++ b/compiler/testData/readJavaBinaryClass/ClassWithTypePRefSelf.kt
@@ -1,4 +1,4 @@
 package test
 
-class ClassWithTypePRefSelf<erased P : java.lang.Enum<P>?>() {
+class ClassWithTypePRefSelf<erased P : java.lang.Enum<P>?>() : java.lang.Object() {
 }
diff --git a/compiler/testData/readJavaBinaryClass/ClassWithTypePRefSelf.txt b/compiler/testData/readJavaBinaryClass/ClassWithTypePRefSelf.txt
index cdb05477131..0b585a21baf 100644
--- a/compiler/testData/readJavaBinaryClass/ClassWithTypePRefSelf.txt
+++ b/compiler/testData/readJavaBinaryClass/ClassWithTypePRefSelf.txt
@@ -1,5 +1,5 @@
 namespace test
 
-final class test.ClassWithTypePRefSelf</*0*/ P : java.lang.Enum<P>?> : jet.Any {
+final class test.ClassWithTypePRefSelf</*0*/ P : java.lang.Enum<P>?> : java.lang.Object {
     final /*constructor*/ fun </*0*/ P : java.lang.Enum<P>?><init>(): test.ClassWithTypePRefSelf<P>
 }
diff --git a/compiler/testData/readJavaBinaryClass/FieldAsVar.kt b/compiler/testData/readJavaBinaryClass/FieldAsVar.kt
index 358ad58ff61..90e52807f76 100644
--- a/compiler/testData/readJavaBinaryClass/FieldAsVar.kt
+++ b/compiler/testData/readJavaBinaryClass/FieldAsVar.kt
@@ -1,5 +1,5 @@
 package test
 
-class FieldAsVar() {
+class FieldAsVar() : java.lang.Object() {
     var f: Int = 1
 }
diff --git a/compiler/testData/readJavaBinaryClass/FieldAsVar.txt b/compiler/testData/readJavaBinaryClass/FieldAsVar.txt
index 6bfbf3d753d..035a7880522 100644
--- a/compiler/testData/readJavaBinaryClass/FieldAsVar.txt
+++ b/compiler/testData/readJavaBinaryClass/FieldAsVar.txt
@@ -1,6 +1,6 @@
 namespace test
 
-final class test.FieldAsVar : jet.Any {
+final class test.FieldAsVar : java.lang.Object {
     final /*constructor*/ fun <init>(): test.FieldAsVar
     final var f: jet.Int
 }
diff --git a/compiler/testData/readJavaBinaryClass/FieldOfArrayType.kt b/compiler/testData/readJavaBinaryClass/FieldOfArrayType.kt
index 59b34d2c993..85a6eb20329 100644
--- a/compiler/testData/readJavaBinaryClass/FieldOfArrayType.kt
+++ b/compiler/testData/readJavaBinaryClass/FieldOfArrayType.kt
@@ -1,5 +1,5 @@
 package test
 
-open class FieldOfArrayType() {
+open class FieldOfArrayType() : java.lang.Object() {
     var files: Array<java.io.File?>? = null
 }
diff --git a/compiler/testData/readJavaBinaryClass/FieldOfArrayType.txt b/compiler/testData/readJavaBinaryClass/FieldOfArrayType.txt
index d14dbde1c83..9dc72b5e98a 100644
--- a/compiler/testData/readJavaBinaryClass/FieldOfArrayType.txt
+++ b/compiler/testData/readJavaBinaryClass/FieldOfArrayType.txt
@@ -1,6 +1,6 @@
 namespace test
 
-open class test.FieldOfArrayType : jet.Any {
+open class test.FieldOfArrayType : java.lang.Object {
     final /*constructor*/ fun <init>(): test.FieldOfArrayType
     final var files: jet.Array<java.io.File?>?
 }
diff --git a/compiler/testData/readJavaBinaryClass/FinalFieldAsVal.kt b/compiler/testData/readJavaBinaryClass/FinalFieldAsVal.kt
index 01c67630deb..23d150df832 100644
--- a/compiler/testData/readJavaBinaryClass/FinalFieldAsVal.kt
+++ b/compiler/testData/readJavaBinaryClass/FinalFieldAsVal.kt
@@ -1,5 +1,5 @@
 package test
 
-class FinalFieldAsVal() {
+class FinalFieldAsVal() : java.lang.Object() {
     val f: Int = 1
 }
diff --git a/compiler/testData/readJavaBinaryClass/FinalFieldAsVal.txt b/compiler/testData/readJavaBinaryClass/FinalFieldAsVal.txt
index 6439934be35..1cc69e01fa0 100644
--- a/compiler/testData/readJavaBinaryClass/FinalFieldAsVal.txt
+++ b/compiler/testData/readJavaBinaryClass/FinalFieldAsVal.txt
@@ -1,6 +1,6 @@
 namespace test
 
-final class test.FinalFieldAsVal : jet.Any {
+final class test.FinalFieldAsVal : java.lang.Object {
     final /*constructor*/ fun <init>(): test.FinalFieldAsVal
     final val f: jet.Int
 }
diff --git a/compiler/testData/readJavaBinaryClass/InnerClass.kt b/compiler/testData/readJavaBinaryClass/InnerClass.kt
index 494763e3159..e068069479d 100644
--- a/compiler/testData/readJavaBinaryClass/InnerClass.kt
+++ b/compiler/testData/readJavaBinaryClass/InnerClass.kt
@@ -1,5 +1,5 @@
 package test
 
-open class Outer() {
-    open class Inner()
+open class Outer() : java.lang.Object() {
+    open class Inner() : java.lang.Object()
 }
diff --git a/compiler/testData/readJavaBinaryClass/InnerClass.txt b/compiler/testData/readJavaBinaryClass/InnerClass.txt
index 9acf1552262..5069969bb33 100644
--- a/compiler/testData/readJavaBinaryClass/InnerClass.txt
+++ b/compiler/testData/readJavaBinaryClass/InnerClass.txt
@@ -1,8 +1,8 @@
 namespace test
 
-open class test.Outer : jet.Any {
+open class test.Outer : java.lang.Object {
     final /*constructor*/ fun <init>(): test.Outer
-    open class test.Outer.Inner : jet.Any {
+    open class test.Outer.Inner : java.lang.Object {
         final /*constructor*/ fun <init>(): test.Outer.Inner
     }
 }
diff --git a/compiler/testData/readJavaBinaryClass/InnerClassReferencesOuterTP.kt b/compiler/testData/readJavaBinaryClass/InnerClassReferencesOuterTP.kt
index 1cbfe66f598..48086967e19 100644
--- a/compiler/testData/readJavaBinaryClass/InnerClassReferencesOuterTP.kt
+++ b/compiler/testData/readJavaBinaryClass/InnerClassReferencesOuterTP.kt
@@ -1,5 +1,5 @@
 package test
 
-open class Outer<erased P>() {
-    open class Inner<erased Q : P>()
+open class Outer<erased P>() : java.lang.Object() {
+    open class Inner<erased Q : P>() : java.lang.Object()
 }
diff --git a/compiler/testData/readJavaBinaryClass/InnerClassReferencesOuterTP.txt b/compiler/testData/readJavaBinaryClass/InnerClassReferencesOuterTP.txt
index 7de0bb8958b..3ab4218b5c0 100644
--- a/compiler/testData/readJavaBinaryClass/InnerClassReferencesOuterTP.txt
+++ b/compiler/testData/readJavaBinaryClass/InnerClassReferencesOuterTP.txt
@@ -1,8 +1,8 @@
 namespace test
 
-open class test.Outer</*0*/ P : jet.Any?> : jet.Any {
+open class test.Outer</*0*/ P : jet.Any?> : java.lang.Object {
     final /*constructor*/ fun </*0*/ P : jet.Any?><init>(): test.Outer<P>
-    open class test.Outer.Inner</*0*/ Q : P> : jet.Any {
+    open class test.Outer.Inner</*0*/ Q : P> : java.lang.Object {
         final /*constructor*/ fun </*0*/ Q : P><init>(): test.Outer.Inner<Q>
     }
 }
diff --git a/compiler/testData/readJavaBinaryClass/InnerClassesInGeneric.kt b/compiler/testData/readJavaBinaryClass/InnerClassesInGeneric.kt
index f7aecfe1b5a..9e9f9b3ce1f 100644
--- a/compiler/testData/readJavaBinaryClass/InnerClassesInGeneric.kt
+++ b/compiler/testData/readJavaBinaryClass/InnerClassesInGeneric.kt
@@ -1,9 +1,9 @@
 package test
 
-trait Trait<erased P>
+trait Trait<erased P> : java.lang.Object
 
-open class Outer<erased P, erased Q>() {
-    open class Inner() {
+open class Outer<erased P, erased Q>() : java.lang.Object() {
+    open class Inner() : java.lang.Object() {
     }
     
     open class Inner2() : Inner(), Trait<P> {
diff --git a/compiler/testData/readJavaBinaryClass/InnerClassesInGeneric.txt b/compiler/testData/readJavaBinaryClass/InnerClassesInGeneric.txt
index e662ea177e8..569d57f2285 100644
--- a/compiler/testData/readJavaBinaryClass/InnerClassesInGeneric.txt
+++ b/compiler/testData/readJavaBinaryClass/InnerClassesInGeneric.txt
@@ -1,13 +1,13 @@
 namespace test
 
-open class test.Outer</*0*/ P : jet.Any?, /*1*/ Q : jet.Any?> : jet.Any {
+open class test.Outer</*0*/ P : jet.Any?, /*1*/ Q : jet.Any?> : java.lang.Object {
     final /*constructor*/ fun </*0*/ P : jet.Any?, /*1*/ Q : jet.Any?><init>(): test.Outer<P, Q>
-    open class test.Outer.Inner : jet.Any {
+    open class test.Outer.Inner : java.lang.Object {
         final /*constructor*/ fun <init>(): test.Outer.Inner
     }
     open class test.Outer.Inner2 : test.Outer.Inner, test.Trait<P> {
         final /*constructor*/ fun <init>(): test.Outer.Inner2
     }
 }
-abstract trait test.Trait</*0*/ P : jet.Any?> : jet.Any {
+abstract trait test.Trait</*0*/ P : jet.Any?> : java.lang.Object {
 }
diff --git a/compiler/testData/readJavaBinaryClass/MethodReferencesOuterClassTP.kt b/compiler/testData/readJavaBinaryClass/MethodReferencesOuterClassTP.kt
index 4f5fe948210..9bd04bb6227 100644
--- a/compiler/testData/readJavaBinaryClass/MethodReferencesOuterClassTP.kt
+++ b/compiler/testData/readJavaBinaryClass/MethodReferencesOuterClassTP.kt
@@ -1,7 +1,7 @@
 package test
 
-class Outer<erased P>() {
-    class Inner() {
+class Outer<erased P>() : java.lang.Object() {
+    class Inner() : java.lang.Object() {
         fun f<erased Q : P>() {}
     }
 }
diff --git a/compiler/testData/readJavaBinaryClass/MethodReferencesOuterClassTP.txt b/compiler/testData/readJavaBinaryClass/MethodReferencesOuterClassTP.txt
index f05d0b04286..25b12b9314c 100644
--- a/compiler/testData/readJavaBinaryClass/MethodReferencesOuterClassTP.txt
+++ b/compiler/testData/readJavaBinaryClass/MethodReferencesOuterClassTP.txt
@@ -1,8 +1,8 @@
 namespace test
 
-final class test.Outer</*0*/ P : jet.Any?> : jet.Any {
+final class test.Outer</*0*/ P : jet.Any?> : java.lang.Object {
     final /*constructor*/ fun </*0*/ P : jet.Any?><init>(): test.Outer<P>
-    final class test.Outer.Inner : jet.Any {
+    final class test.Outer.Inner : java.lang.Object {
         final /*constructor*/ fun <init>(): test.Outer.Inner
         final fun </*0*/ Q : P>f(): jet.Tuple0
     }
diff --git a/compiler/testData/readJavaBinaryClass/MethodWithTypeP.kt b/compiler/testData/readJavaBinaryClass/MethodWithTypeP.kt
index 2c74ae0376f..39cd1042cb5 100644
--- a/compiler/testData/readJavaBinaryClass/MethodWithTypeP.kt
+++ b/compiler/testData/readJavaBinaryClass/MethodWithTypeP.kt
@@ -1,5 +1,5 @@
 package test
 
-class MethodWithTypeP() {
+class MethodWithTypeP() : java.lang.Object() {
     fun <erased P> f() = #()
 }
diff --git a/compiler/testData/readJavaBinaryClass/MethodWithTypeP.txt b/compiler/testData/readJavaBinaryClass/MethodWithTypeP.txt
index 977bce6fbdc..48f22b40c19 100644
--- a/compiler/testData/readJavaBinaryClass/MethodWithTypeP.txt
+++ b/compiler/testData/readJavaBinaryClass/MethodWithTypeP.txt
@@ -1,6 +1,6 @@
 namespace test
 
-final class test.MethodWithTypeP : jet.Any {
+final class test.MethodWithTypeP : java.lang.Object {
     final /*constructor*/ fun <init>(): test.MethodWithTypeP
     final fun </*0*/ P : jet.Any?>f(): jet.Tuple0
 }
diff --git a/compiler/testData/readJavaBinaryClass/MethodWithTypePP.kt b/compiler/testData/readJavaBinaryClass/MethodWithTypePP.kt
index c0220ae2434..a9f745e0b26 100644
--- a/compiler/testData/readJavaBinaryClass/MethodWithTypePP.kt
+++ b/compiler/testData/readJavaBinaryClass/MethodWithTypePP.kt
@@ -1,5 +1,5 @@
 package test
 
-class MethodWithTypePP() {
+class MethodWithTypePP() : java.lang.Object() {
     fun <erased P, erased Q : P> f() = #()
 }
diff --git a/compiler/testData/readJavaBinaryClass/MethodWithTypePP.txt b/compiler/testData/readJavaBinaryClass/MethodWithTypePP.txt
index 4b6ca937710..f751d4acd7e 100644
--- a/compiler/testData/readJavaBinaryClass/MethodWithTypePP.txt
+++ b/compiler/testData/readJavaBinaryClass/MethodWithTypePP.txt
@@ -1,6 +1,6 @@
 namespace test
 
-final class test.MethodWithTypePP : jet.Any {
+final class test.MethodWithTypePP : java.lang.Object {
     final /*constructor*/ fun <init>(): test.MethodWithTypePP
     final fun </*0*/ P : jet.Any?, /*1*/ Q : P>f(): jet.Tuple0
 }
diff --git a/compiler/testData/readJavaBinaryClass/MethodWithTypePRefClassP.kt b/compiler/testData/readJavaBinaryClass/MethodWithTypePRefClassP.kt
index c54adee8f48..625245c0311 100644
--- a/compiler/testData/readJavaBinaryClass/MethodWithTypePRefClassP.kt
+++ b/compiler/testData/readJavaBinaryClass/MethodWithTypePRefClassP.kt
@@ -1,5 +1,5 @@
 package test
 
-open class MethodWithTypePRefClassP<erased P>() {
+open class MethodWithTypePRefClassP<erased P>() : java.lang.Object() {
     fun <erased Q : P> f() = #()
 }
diff --git a/compiler/testData/readJavaBinaryClass/MethodWithTypePRefClassP.txt b/compiler/testData/readJavaBinaryClass/MethodWithTypePRefClassP.txt
index 6cbf0d00a27..1a2941d1c4f 100644
--- a/compiler/testData/readJavaBinaryClass/MethodWithTypePRefClassP.txt
+++ b/compiler/testData/readJavaBinaryClass/MethodWithTypePRefClassP.txt
@@ -1,6 +1,6 @@
 namespace test
 
-open class test.MethodWithTypePRefClassP</*0*/ P : jet.Any?> : jet.Any {
+open class test.MethodWithTypePRefClassP</*0*/ P : jet.Any?> : java.lang.Object {
     final /*constructor*/ fun </*0*/ P : jet.Any?><init>(): test.MethodWithTypePRefClassP<P>
     final fun </*0*/ Q : P>f(): jet.Tuple0
 }
diff --git a/compiler/testData/readJavaBinaryClass/MethosWithPRefTP.kt b/compiler/testData/readJavaBinaryClass/MethosWithPRefTP.kt
index 04c67e7b423..187918005a8 100644
--- a/compiler/testData/readJavaBinaryClass/MethosWithPRefTP.kt
+++ b/compiler/testData/readJavaBinaryClass/MethosWithPRefTP.kt
@@ -1,5 +1,5 @@
 package test
 
-final class MethosWithPRefTP() {
+final class MethosWithPRefTP() : java.lang.Object() {
     fun <erased P> f(p0: P?) = #()
 }
diff --git a/compiler/testData/readJavaBinaryClass/MethosWithPRefTP.txt b/compiler/testData/readJavaBinaryClass/MethosWithPRefTP.txt
index b349f077535..8538e5765a4 100644
--- a/compiler/testData/readJavaBinaryClass/MethosWithPRefTP.txt
+++ b/compiler/testData/readJavaBinaryClass/MethosWithPRefTP.txt
@@ -1,6 +1,6 @@
 namespace test
 
-final class test.MethosWithPRefTP : jet.Any {
+final class test.MethosWithPRefTP : java.lang.Object {
     final /*constructor*/ fun <init>(): test.MethosWithPRefTP
     final fun </*0*/ P : jet.Any?>f(/*0*/ p0: P?): jet.Tuple0
 }
diff --git a/compiler/testData/readJavaBinaryClass/MyException.kt b/compiler/testData/readJavaBinaryClass/MyException.kt
index feb67c45c86..6b618bc2b7a 100644
--- a/compiler/testData/readJavaBinaryClass/MyException.kt
+++ b/compiler/testData/readJavaBinaryClass/MyException.kt
@@ -1,3 +1,3 @@
 package test
 
-open class MyException(p0: String?, p1: Throwable?)
+open class MyException(p0: String?, p1: Throwable?) : java.lang.Object()
diff --git a/compiler/testData/readJavaBinaryClass/MyException.txt b/compiler/testData/readJavaBinaryClass/MyException.txt
index 703a2cc262e..47001bd7ec2 100644
--- a/compiler/testData/readJavaBinaryClass/MyException.txt
+++ b/compiler/testData/readJavaBinaryClass/MyException.txt
@@ -1,5 +1,5 @@
 namespace test
 
-open class test.MyException : jet.Any {
+open class test.MyException : java.lang.Object {
     final /*constructor*/ fun <init>(/*0*/ p0: jet.String?, /*1*/ p1: jet.Throwable?): test.MyException
 }
diff --git a/compiler/testData/readJavaBinaryClass/Simple.kt b/compiler/testData/readJavaBinaryClass/Simple.kt
index 8e2814732aa..39b05b99014 100644
--- a/compiler/testData/readJavaBinaryClass/Simple.kt
+++ b/compiler/testData/readJavaBinaryClass/Simple.kt
@@ -1,3 +1,3 @@
 package test
 
-class Simple()
+class Simple() : java.lang.Object()
diff --git a/compiler/testData/readJavaBinaryClass/Simple.txt b/compiler/testData/readJavaBinaryClass/Simple.txt
index 1a08ed4477a..c61743bdbf0 100644
--- a/compiler/testData/readJavaBinaryClass/Simple.txt
+++ b/compiler/testData/readJavaBinaryClass/Simple.txt
@@ -1,5 +1,5 @@
 namespace test
 
-final class test.Simple : jet.Any {
+final class test.Simple : java.lang.Object {
     final /*constructor*/ fun <init>(): test.Simple
 }
diff --git a/compiler/testData/readJavaBinaryClass/TwoFields.kt b/compiler/testData/readJavaBinaryClass/TwoFields.kt
index 5699c6caaf3..c2aea9666e7 100644
--- a/compiler/testData/readJavaBinaryClass/TwoFields.kt
+++ b/compiler/testData/readJavaBinaryClass/TwoFields.kt
@@ -1,6 +1,6 @@
 package test
 
-class TwoFields() {
+class TwoFields() : java.lang.Object() {
     var a: Int = 1
     var b: Short = 2;
 }
diff --git a/compiler/testData/readJavaBinaryClass/TwoFields.txt b/compiler/testData/readJavaBinaryClass/TwoFields.txt
index dc2e46f53dc..b94d56baa31 100644
--- a/compiler/testData/readJavaBinaryClass/TwoFields.txt
+++ b/compiler/testData/readJavaBinaryClass/TwoFields.txt
@@ -1,6 +1,6 @@
 namespace test
 
-final class test.TwoFields : jet.Any {
+final class test.TwoFields : java.lang.Object {
     final /*constructor*/ fun <init>(): test.TwoFields
     final var a: jet.Int
     final var b: jet.Short
diff --git a/compiler/testData/readJavaBinaryClass/annotation/AnnotatedMethod.kt b/compiler/testData/readJavaBinaryClass/annotation/AnnotatedMethod.kt
index fe2bd5bda84..4985614a154 100644
--- a/compiler/testData/readJavaBinaryClass/annotation/AnnotatedMethod.kt
+++ b/compiler/testData/readJavaBinaryClass/annotation/AnnotatedMethod.kt
@@ -2,6 +2,6 @@ package test
 
 annotation class Aaa
 
-open class HasAnnotatedMethod() {
+open class HasAnnotatedMethod() : java.lang.Object() {
     open Aaa fun f(): Unit { }
 }
diff --git a/compiler/testData/readJavaBinaryClass/annotation/AnnotatedMethod.txt b/compiler/testData/readJavaBinaryClass/annotation/AnnotatedMethod.txt
index e672b9278c4..403a84517be 100644
--- a/compiler/testData/readJavaBinaryClass/annotation/AnnotatedMethod.txt
+++ b/compiler/testData/readJavaBinaryClass/annotation/AnnotatedMethod.txt
@@ -1,6 +1,6 @@
 namespace test
 
-open class test.HasAnnotatedMethod : jet.Any {
+open class test.HasAnnotatedMethod : java.lang.Object {
     final /*constructor*/ fun <init>(): test.HasAnnotatedMethod
     open test.Aaa() fun f(): jet.Tuple0
 }
diff --git a/compiler/testData/readJavaBinaryClass/javaBean/DifferentGetterAndSetter.kt b/compiler/testData/readJavaBinaryClass/javaBean/DifferentGetterAndSetter.kt
index 308edbd4d83..b75ce4316da 100644
--- a/compiler/testData/readJavaBinaryClass/javaBean/DifferentGetterAndSetter.kt
+++ b/compiler/testData/readJavaBinaryClass/javaBean/DifferentGetterAndSetter.kt
@@ -1,6 +1,6 @@
 package test
 
-open class DifferentGetterAndSetter() {
+open class DifferentGetterAndSetter() : java.lang.Object() {
     open fun setSomething(p0: String?): Unit { }
     open fun getSomething() = 17
 }
diff --git a/compiler/testData/readJavaBinaryClass/javaBean/DifferentGetterAndSetter.txt b/compiler/testData/readJavaBinaryClass/javaBean/DifferentGetterAndSetter.txt
index d9c9120fc25..b98d7b845cd 100644
--- a/compiler/testData/readJavaBinaryClass/javaBean/DifferentGetterAndSetter.txt
+++ b/compiler/testData/readJavaBinaryClass/javaBean/DifferentGetterAndSetter.txt
@@ -1,6 +1,6 @@
 namespace test
 
-open class test.DifferentGetterAndSetter : jet.Any {
+open class test.DifferentGetterAndSetter : java.lang.Object {
     final /*constructor*/ fun <init>(): test.DifferentGetterAndSetter
     open fun getSomething(): jet.Int
     open fun setSomething(/*0*/ p0: jet.String?): jet.Tuple0
diff --git a/compiler/testData/readJavaBinaryClass/javaBean/JavaBeanAbstractGetter.kt b/compiler/testData/readJavaBinaryClass/javaBean/JavaBeanAbstractGetter.kt
index 78b9beffcf3..8ef31db9173 100644
--- a/compiler/testData/readJavaBinaryClass/javaBean/JavaBeanAbstractGetter.kt
+++ b/compiler/testData/readJavaBinaryClass/javaBean/JavaBeanAbstractGetter.kt
@@ -1,6 +1,6 @@
 package test
 
-trait JavaBeanAbstractGetter {
+trait JavaBeanAbstractGetter : java.lang.Object {
     //final val red: Int
     abstract fun getRed(): Int
 }
diff --git a/compiler/testData/readJavaBinaryClass/javaBean/JavaBeanAbstractGetter.txt b/compiler/testData/readJavaBinaryClass/javaBean/JavaBeanAbstractGetter.txt
index 779c03db0b9..733e4057d2f 100644
--- a/compiler/testData/readJavaBinaryClass/javaBean/JavaBeanAbstractGetter.txt
+++ b/compiler/testData/readJavaBinaryClass/javaBean/JavaBeanAbstractGetter.txt
@@ -1,5 +1,5 @@
 namespace test
 
-abstract trait test.JavaBeanAbstractGetter : jet.Any {
+abstract trait test.JavaBeanAbstractGetter : java.lang.Object {
     abstract fun getRed(): jet.Int
 }
diff --git a/compiler/testData/readJavaBinaryClass/javaBean/JavaBeanVal.kt b/compiler/testData/readJavaBinaryClass/javaBean/JavaBeanVal.kt
index e3a5fc773d4..ff6d52aa03d 100644
--- a/compiler/testData/readJavaBinaryClass/javaBean/JavaBeanVal.kt
+++ b/compiler/testData/readJavaBinaryClass/javaBean/JavaBeanVal.kt
@@ -1,6 +1,6 @@
 package test
 
-open class JavaBeanVal() {
+open class JavaBeanVal() : java.lang.Object() {
     open fun getColor(): String? = ""
     //val color: String? = ""
 }
diff --git a/compiler/testData/readJavaBinaryClass/javaBean/JavaBeanVal.txt b/compiler/testData/readJavaBinaryClass/javaBean/JavaBeanVal.txt
index 798ac1b6009..4adfde59e8f 100644
--- a/compiler/testData/readJavaBinaryClass/javaBean/JavaBeanVal.txt
+++ b/compiler/testData/readJavaBinaryClass/javaBean/JavaBeanVal.txt
@@ -1,6 +1,6 @@
 namespace test
 
-open class test.JavaBeanVal : jet.Any {
+open class test.JavaBeanVal : java.lang.Object {
     final /*constructor*/ fun <init>(): test.JavaBeanVal
     open fun getColor(): jet.String?
 }
diff --git a/compiler/testData/readJavaBinaryClass/javaBean/JavaBeanVar.kt b/compiler/testData/readJavaBinaryClass/javaBean/JavaBeanVar.kt
index 4d533d16120..3385a1bff42 100644
--- a/compiler/testData/readJavaBinaryClass/javaBean/JavaBeanVar.kt
+++ b/compiler/testData/readJavaBinaryClass/javaBean/JavaBeanVar.kt
@@ -1,6 +1,6 @@
 package test
 
-open class JavaBeanVal() {
+open class JavaBeanVal() : java.lang.Object() {
     open fun getColor(): String? = ""
     open fun setColor(p0: String?): Unit { }
     //var color: String? = ""
diff --git a/compiler/testData/readJavaBinaryClass/javaBean/JavaBeanVar.txt b/compiler/testData/readJavaBinaryClass/javaBean/JavaBeanVar.txt
index fc23a45ae1e..18e00ff38d8 100644
--- a/compiler/testData/readJavaBinaryClass/javaBean/JavaBeanVar.txt
+++ b/compiler/testData/readJavaBinaryClass/javaBean/JavaBeanVar.txt
@@ -1,6 +1,6 @@
 namespace test
 
-open class test.JavaBeanVal : jet.Any {
+open class test.JavaBeanVal : java.lang.Object {
     final /*constructor*/ fun <init>(): test.JavaBeanVal
     open fun getColor(): jet.String?
     open fun setColor(/*0*/ p0: jet.String?): jet.Tuple0
diff --git a/compiler/testData/readJavaBinaryClass/javaBean/JavaBeanVarOfGenericType.kt b/compiler/testData/readJavaBinaryClass/javaBean/JavaBeanVarOfGenericType.kt
index b71b7a89e00..3e8a9cc13d3 100644
--- a/compiler/testData/readJavaBinaryClass/javaBean/JavaBeanVarOfGenericType.kt
+++ b/compiler/testData/readJavaBinaryClass/javaBean/JavaBeanVarOfGenericType.kt
@@ -2,7 +2,7 @@ package test
 
 import java.util.ArrayList
 
-open class JavaBeanVarOfGenericType<erased P> {
+open class JavaBeanVarOfGenericType<erased P>() : java.lang.Object() {
     open fun getCharacters(): ArrayList<P>? = null
     open fun setCharacters(p0: ArrayList<P>?) { }
     //var characters: ArrayList<P>? = null
diff --git a/compiler/testData/readJavaBinaryClass/javaBean/JavaBeanVarOfGenericType.txt b/compiler/testData/readJavaBinaryClass/javaBean/JavaBeanVarOfGenericType.txt
index e11bab1f3b7..1e3dbc0333d 100644
--- a/compiler/testData/readJavaBinaryClass/javaBean/JavaBeanVarOfGenericType.txt
+++ b/compiler/testData/readJavaBinaryClass/javaBean/JavaBeanVarOfGenericType.txt
@@ -1,6 +1,6 @@
 namespace test
 
-open class test.JavaBeanVarOfGenericType</*0*/ P : jet.Any?> : jet.Any {
+open class test.JavaBeanVarOfGenericType</*0*/ P : jet.Any?> : java.lang.Object {
     final /*constructor*/ fun </*0*/ P : jet.Any?><init>(): test.JavaBeanVarOfGenericType<P>
     open fun getCharacters(): java.util.ArrayList<P>?
     open fun setCharacters(/*0*/ p0: java.util.ArrayList<P>?): jet.Tuple0
diff --git a/compiler/testData/readJavaBinaryClass/javaBean/TwoSetters.kt b/compiler/testData/readJavaBinaryClass/javaBean/TwoSetters.kt
index d217ea08cca..b0de528b8f6 100644
--- a/compiler/testData/readJavaBinaryClass/javaBean/TwoSetters.kt
+++ b/compiler/testData/readJavaBinaryClass/javaBean/TwoSetters.kt
@@ -1,6 +1,6 @@
 package test
 
-open class TwoSetters() {
+open class TwoSetters() : java.lang.Object() {
     open fun setSize(p0: String?) { }
     open fun setSize(p0: Int) { }
 }
diff --git a/compiler/testData/readJavaBinaryClass/javaBean/TwoSetters.txt b/compiler/testData/readJavaBinaryClass/javaBean/TwoSetters.txt
index 74fc3e7bb3f..2727d7d7b1b 100644
--- a/compiler/testData/readJavaBinaryClass/javaBean/TwoSetters.txt
+++ b/compiler/testData/readJavaBinaryClass/javaBean/TwoSetters.txt
@@ -1,6 +1,6 @@
 namespace test
 
-open class test.TwoSetters : jet.Any {
+open class test.TwoSetters : java.lang.Object {
     final /*constructor*/ fun <init>(): test.TwoSetters
     open fun setSize(/*0*/ p0: jet.Int): jet.Tuple0
     open fun setSize(/*0*/ p0: jet.String?): jet.Tuple0
diff --git a/compiler/testData/readJavaBinaryClass/notNull/NotNullField.kt b/compiler/testData/readJavaBinaryClass/notNull/NotNullField.kt
index 6dfa0e5bb24..8bf333b4c84 100644
--- a/compiler/testData/readJavaBinaryClass/notNull/NotNullField.kt
+++ b/compiler/testData/readJavaBinaryClass/notNull/NotNullField.kt
@@ -1,5 +1,5 @@
 package test;
 
-open class NotNullField() {
+open class NotNullField() : java.lang.Object() {
     var hi: String = "";
 }
diff --git a/compiler/testData/readJavaBinaryClass/notNull/NotNullField.txt b/compiler/testData/readJavaBinaryClass/notNull/NotNullField.txt
index 8ca92c32112..1625151d14a 100644
--- a/compiler/testData/readJavaBinaryClass/notNull/NotNullField.txt
+++ b/compiler/testData/readJavaBinaryClass/notNull/NotNullField.txt
@@ -1,6 +1,6 @@
 namespace test
 
-open class test.NotNullField : jet.Any {
+open class test.NotNullField : java.lang.Object {
     final /*constructor*/ fun <init>(): test.NotNullField
     final var hi: jet.String
 }
diff --git a/compiler/testData/readJavaBinaryClass/notNull/NotNullMethod.kt b/compiler/testData/readJavaBinaryClass/notNull/NotNullMethod.kt
index 2c990004363..230db9040d3 100644
--- a/compiler/testData/readJavaBinaryClass/notNull/NotNullMethod.kt
+++ b/compiler/testData/readJavaBinaryClass/notNull/NotNullMethod.kt
@@ -1,5 +1,5 @@
 package test
 
-open class NotNullMethod() {
+open class NotNullMethod() : java.lang.Object() {
     open fun hi(): String = ""
 }
diff --git a/compiler/testData/readJavaBinaryClass/notNull/NotNullMethod.txt b/compiler/testData/readJavaBinaryClass/notNull/NotNullMethod.txt
index 133095788df..e7ae10a9cb1 100644
--- a/compiler/testData/readJavaBinaryClass/notNull/NotNullMethod.txt
+++ b/compiler/testData/readJavaBinaryClass/notNull/NotNullMethod.txt
@@ -1,6 +1,6 @@
 namespace test
 
-open class test.NotNullMethod : jet.Any {
+open class test.NotNullMethod : java.lang.Object {
     final /*constructor*/ fun <init>(): test.NotNullMethod
     open fun hi(): jet.String
 }
diff --git a/compiler/testData/readJavaBinaryClass/notNull/NotNullParameter.kt b/compiler/testData/readJavaBinaryClass/notNull/NotNullParameter.kt
index ec1fc244b00..68f3c2556e5 100644
--- a/compiler/testData/readJavaBinaryClass/notNull/NotNullParameter.kt
+++ b/compiler/testData/readJavaBinaryClass/notNull/NotNullParameter.kt
@@ -1,5 +1,5 @@
 package test
 
-open class NotNullParameter() {
+open class NotNullParameter() : java.lang.Object() {
     open fun hi(p0: String): Unit { }
 }
diff --git a/compiler/testData/readJavaBinaryClass/notNull/NotNullParameter.txt b/compiler/testData/readJavaBinaryClass/notNull/NotNullParameter.txt
index c9ebf840789..b810025bb16 100644
--- a/compiler/testData/readJavaBinaryClass/notNull/NotNullParameter.txt
+++ b/compiler/testData/readJavaBinaryClass/notNull/NotNullParameter.txt
@@ -1,6 +1,6 @@
 namespace test
 
-open class test.NotNullParameter : jet.Any {
+open class test.NotNullParameter : java.lang.Object {
     final /*constructor*/ fun <init>(): test.NotNullParameter
     open fun hi(/*0*/ p0: jet.String): jet.Tuple0
 }
diff --git a/libraries/stdlib/src/kotlin/Ordering.kt b/libraries/stdlib/src/kotlin/Ordering.kt
index b5ed2be58aa..be537e8a061 100644
--- a/libraries/stdlib/src/kotlin/Ordering.kt
+++ b/libraries/stdlib/src/kotlin/Ordering.kt
@@ -54,7 +54,7 @@ public inline fun <T> comparator(vararg functions: Function1<T,Any?>): Comparato
 
 private class FunctionComparator<T>(val functions: Array<Function1<T,Any?>>):  Comparator<T> {
 
-    public fun toString(): String {
+    public override fun toString(): String {
         return "FunctionComparator${functions.toList()}"
     }
 
@@ -75,7 +75,7 @@ public inline fun <T> comparator(fn: (T,T) -> Int): Comparator<T> {
 }
 private class Function2Comparator<T>(val compareFn: (T,T) -> Int):  Comparator<T> {
 
-    public fun toString(): String {
+    public override fun toString(): String {
         return "Function2Comparator${compareFn}"
     }
 
@@ -89,4 +89,4 @@ private class Function2Comparator<T>(val compareFn: (T,T) -> Int):  Comparator<T
     public override fun equals(obj: Any?): Boolean {
         return this == obj
     }
-}
\ No newline at end of file
+}