Getting default value from overriding method

idea/idea-core/src/org/jetbrains/kotlin/idea/core/OptionalParametersHelper.kt

@@ -120,6 +120,11 @@ public object OptionalParametersHelper {
     public fun defaultParameterValue(parameter: ValueParameterDescriptor, project: Project): DefaultValue? {
         if (!parameter.hasDefaultValue()) return null
 
+        if (!parameter.declaresDefaultValue()) {
+            val overridden = parameter.getOverriddenDescriptors().firstOrNull { it.hasDefaultValue() } ?: return null
+            return defaultParameterValue(overridden, project)
+        }
+
         //TODO: parameter in overriding method!
         //TODO: it's a temporary code while we don't have default values accessible from descriptors
         var declaration = DescriptorToSourceUtilsIde.getAnyDeclaration(project, parameter) as? JetParameter ?: return null

idea/testData/quickfix/deprecatedSymbolUsage/optionalParameters/overridingMethod.kt

@@ -0,0 +1,17 @@
+// "Replace with 'newFun(p1, p2, p3)'" "true"
+
+interface I {
+    @deprecated("", ReplaceWith("newFun(p1, p2, p3)"))
+    fun oldFun(p1: String, p2: Int = 0, p3: Int = 1)
+
+    fun newFun(p1: String, p2: Int = 1, p3: Int = 1)
+}
+
+abstract class C : I {
+    override fun newFun(p1: String, p2: Int, p3: Int) { }
+
+}
+
+fun foo(c: C) {
+    c.<caret>oldFun("")
+}

idea/testData/quickfix/deprecatedSymbolUsage/optionalParameters/overridingMethod.kt.after

@@ -0,0 +1,17 @@
+// "Replace with 'newFun(p1, p2, p3)'" "true"
+
+interface I {
+    @deprecated("", ReplaceWith("newFun(p1, p2, p3)"))
+    fun oldFun(p1: String, p2: Int = 0, p3: Int = 1)
+
+    fun newFun(p1: String, p2: Int = 1, p3: Int = 1)
+}
+
+abstract class C : I {
+    override fun newFun(p1: String, p2: Int, p3: Int) { }
+
+}
+
+fun foo(c: C) {
+    c.<caret>newFun("", 0)
+}

idea/tests/org/jetbrains/kotlin/idea/quickfix/QuickFixTestGenerated.java

@@ -3284,6 +3284,12 @@ public class QuickFixTestGenerated extends AbstractQuickFixTest {
                 String fileName = JetTestUtils.navigationMetadata("idea/testData/quickfix/deprecatedSymbolUsage/optionalParameters/optionalParameters9.kt");
                 doTest(fileName);
             }
+
+            @TestMetadata("overridingMethod.kt")
+            public void testOverridingMethod() throws Exception {
+                String fileName = JetTestUtils.navigationMetadata("idea/testData/quickfix/deprecatedSymbolUsage/optionalParameters/overridingMethod.kt");
+                doTest(fileName);
+            }
         }
 
         @TestMetadata("idea/testData/quickfix/deprecatedSymbolUsage/safeCall")