inherit documentation for properties as well as functions

compiler/frontend/src/org/jetbrains/kotlin/kdoc/KDocFinder.kt

@@ -20,8 +20,8 @@ import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
 import org.jetbrains.kotlin.descriptors.DeclarationDescriptorWithSource
 import org.jetbrains.kotlin.resolve.source.PsiSourceElement
 import org.jetbrains.kotlin.psi.JetDeclaration
-import org.jetbrains.kotlin.descriptors.FunctionDescriptor
 import org.jetbrains.kotlin.kdoc.psi.impl.KDocTag
+import org.jetbrains.kotlin.descriptors.CallableDescriptor
 
 fun findKDoc(declaration: DeclarationDescriptor): KDocTag? {
     if (declaration is DeclarationDescriptorWithSource) {
@@ -34,7 +34,7 @@ fun findKDoc(declaration: DeclarationDescriptor): KDocTag? {
         }
     }
 
-    if (declaration is FunctionDescriptor) {
+    if (declaration is CallableDescriptor) {
         for (baseDescriptor in declaration.getOverriddenDescriptors()) {
             val baseKDoc = findKDoc(baseDescriptor)
             if (baseKDoc != null) {

idea/testData/editor/quickDoc/OnInheritedPropertyUsage.kt

@@ -0,0 +1,17 @@
+open class C() {
+    /**
+     * This property returns zero.
+     */
+    open val foo: Int get() = 0
+}
+
+class D(): C() {
+    override val foo: Int get() = 1
+}
+
+
+fun test() {
+    D().f<caret>oo
+}
+
+// INFO: <b>internal</b> <b>open</b> <b>val</b> foo: Int<br/><p>This property returns zero.</p>

idea/tests/org/jetbrains/kotlin/idea/editor/quickDoc/JetQuickDocProviderTestGenerated.java

@@ -17,7 +17,6 @@
 package org.jetbrains.kotlin.idea.editor.quickDoc;
 
 import com.intellij.testFramework.TestDataPath;
-import org.jetbrains.kotlin.test.InnerTestClasses;
 import org.jetbrains.kotlin.test.JUnit3RunnerWithInners;
 import org.jetbrains.kotlin.test.JetTestUtils;
 import org.jetbrains.kotlin.test.TestMetadata;
@@ -102,6 +101,12 @@ public class JetQuickDocProviderTestGenerated extends AbstractJetQuickDocProvide
         doTest(fileName);
     }
 
+    @TestMetadata("OnInheritedPropertyUsage.kt")
+    public void testOnInheritedPropertyUsage() throws Exception {
+        String fileName = JetTestUtils.navigationMetadata("idea/testData/editor/quickDoc/OnInheritedPropertyUsage.kt");
+        doTest(fileName);
+    }
+
     @TestMetadata("OnMethodUsage.kt")
     public void testOnMethodUsage() throws Exception {
         String fileName = JetTestUtils.navigationMetadata("idea/testData/editor/quickDoc/OnMethodUsage.kt");