Deserialize constructors of static nested classes correctly

Similar to what is done in TopDownAnalyzer
 #KT-4081 Fixed

compiler/backend/src/org/jetbrains/jet/codegen/CodegenUtil.java

@@ -290,6 +290,13 @@ public class CodegenUtil {
         //TODO: It's best to use this code also for compilation against sources
         // but sometimes structures that have expectedThisObject (bug?) mapped to static classes
         ReceiverParameterDescriptor expectedThisObject = descriptor.getExpectedThisObject();
-        return expectedThisObject != null ? (ClassDescriptor) expectedThisObject.getContainingDeclaration() : null;
+        if (expectedThisObject != null) {
+            ClassDescriptor expectedThisClass = (ClassDescriptor) expectedThisObject.getContainingDeclaration();
+            if (!expectedThisClass.getKind().isObject()) {
+                return expectedThisClass;
+            }
+        }
+
+        return null;
     }
 }

compiler/frontend/serialization/src/org/jetbrains/jet/descriptors/serialization/DescriptorDeserializer.java

@@ -25,11 +25,11 @@ import org.jetbrains.jet.lang.descriptors.annotations.AnnotationDescriptor;
 import org.jetbrains.jet.lang.descriptors.impl.*;
 import org.jetbrains.jet.lang.resolve.DescriptorFactory;
 import org.jetbrains.jet.lang.resolve.DescriptorUtils;
-import org.jetbrains.jet.storage.StorageManager;
 import org.jetbrains.jet.lang.resolve.name.FqNameUnsafe;
 import org.jetbrains.jet.lang.resolve.name.Name;
 import org.jetbrains.jet.lang.types.ErrorUtils;
 import org.jetbrains.jet.lang.types.Variance;
+import org.jetbrains.jet.storage.StorageManager;
 
 import java.util.ArrayList;
 import java.util.Collections;
@@ -267,7 +267,7 @@ public class DescriptorDeserializer {
                 classDescriptor.getTypeConstructor().getParameters(),
                 local.valueParameters(proto.getValueParameterList()),
                 visibility(Flags.VISIBILITY.get(proto.getFlags())),
-                !classDescriptor.isInner()
+                DescriptorUtils.isConstructorOfStaticNestedClass(descriptor)
         );
         descriptor.setReturnType(local.typeDeserializer.type(proto.getReturnType()));
         return descriptor;

compiler/testData/compileKotlinAgainstKotlin/ClassInObject.A.kt

@@ -0,0 +1,5 @@
+package a
+
+object CartRoutes {
+    class RemoveOrderItem()
+}

compiler/testData/compileKotlinAgainstKotlin/ClassInObject.B.kt

@@ -0,0 +1,5 @@
+import a.CartRoutes
+
+fun main(args: Array<String>) {
+    val r = CartRoutes.RemoveOrderItem()
+}

compiler/tests/org/jetbrains/jet/codegen/BytecodeTextTestGenerated.java

@@ -16,14 +16,17 @@
 
 package org.jetbrains.jet.codegen;
 
+import junit.framework.Assert;
 import junit.framework.Test;
 import junit.framework.TestSuite;
+
+import java.io.File;
+import java.util.regex.Pattern;
 import org.jetbrains.jet.JetTestUtils;
 import org.jetbrains.jet.test.InnerTestClasses;
 import org.jetbrains.jet.test.TestMetadata;
 
-import java.io.File;
+import org.jetbrains.jet.codegen.AbstractBytecodeTextTest;
-import java.util.regex.Pattern;
 
 /** This class is generated by {@link org.jetbrains.jet.generators.tests.GenerateTests}. DO NOT MODIFY MANUALLY */
 @SuppressWarnings("all")

compiler/tests/org/jetbrains/jet/jvm/compiler/CompileKotlinAgainstKotlinTestGenerated.java

@@ -36,6 +36,11 @@ public class CompileKotlinAgainstKotlinTestGenerated extends AbstractCompileKotl
         JetTestUtils.assertAllTestsPresentByMetadata(this.getClass(), "org.jetbrains.jet.generators.tests.GenerateTests", new File("compiler/testData/compileKotlinAgainstKotlin"), Pattern.compile("^(.+)\\.A.kt$"), true);
     }
     
+    @TestMetadata("ClassInObject.A.kt")
+    public void testClassInObject() throws Exception {
+        doTest("compiler/testData/compileKotlinAgainstKotlin/ClassInObject.A.kt");
+    }
+    
     @TestMetadata("ClassObjectMember.A.kt")
     public void testClassObjectMember() throws Exception {
         doTest("compiler/testData/compileKotlinAgainstKotlin/ClassObjectMember.A.kt");