KT-1359 Cannot declare object inheriting from a trait or class.

js/js.tests/test/org/jetbrains/k2js/test/semantics/ObjectTest.java

@@ -40,4 +40,10 @@ public final class ObjectTest extends SingleFileTranslationTest {
     public void testObjectInMethod() throws Exception {
         checkFooBoxIsTrue("objectInMethod.kt");
     }
+
+
+    public void testObjectInheritingFromATrait() throws Exception {
+        checkFooBoxIsTrue("objectInheritingFromATrait.kt");
+    }
+
 }

js/js.translator/src/org/jetbrains/k2js/translate/declaration/ClassTranslator.java

@@ -40,6 +40,7 @@ import static org.jetbrains.k2js.translate.utils.BindingUtils.getClassDescriptor
 import static org.jetbrains.k2js.translate.utils.BindingUtils.getPropertyDescriptorForConstructorParameter;
 import static org.jetbrains.k2js.translate.utils.DescriptorUtils.*;
 import static org.jetbrains.k2js.translate.utils.PsiUtils.getPrimaryConstructorParameters;
+import static org.jetbrains.k2js.translate.utils.TranslationUtils.getQualifiedReference;
 import static org.jetbrains.k2js.translate.utils.TranslationUtils.getThisObject;
 
 /**
@@ -175,7 +176,7 @@ public final class ClassTranslator extends AbstractTranslator {
         if (aliaser().hasAliasForDeclaration(superClassDescriptor)) {
             return aliaser().getAliasForDeclaration(superClassDescriptor).makeRef();
         }
-        return context().getNameForDescriptor(superClassDescriptor).makeRef();
+        return getQualifiedReference(context(), superClassDescriptor);
     }
 
     @Nullable

js/js.translator/testFiles/object/cases/objectInheritingFromATrait.kt

@@ -0,0 +1,13 @@
+package foo
+
+trait Foo {
+    fun f() : Boolean
+}
+
+object foo : Foo {
+    override fun f() = true
+}
+
+fun box() : Boolean {
+    return foo.f()
+}