Rename: Fix function description in super method warning dialog

#KT-12945 Fixed

ChangeLog.md

@@ -240,6 +240,7 @@ Using 'this' as function argument in constructor of non-final class
 - [`KT-12084`](https://youtrack.jetbrains.com/issue/KT-12084) Introduce Property: Do not skip outer classes if extractable expression is contained in object literal
 - [`KT-13082`](https://youtrack.jetbrains.com/issue/KT-13082) Rename: Fix exception on property rename preview
 - [`KT-13207`](https://youtrack.jetbrains.com/issue/KT-13207) Safe delete: Fix exception when removing any function in 2016.2
+- [`KT-12945`](https://youtrack.jetbrains.com/issue/KT-12945) Rename: Fix function description in super method warning dialog
 
 ##### New features
 
@@ -252,7 +253,7 @@ Using 'this' as function argument in constructor of non-final class
 - [`KT-12651`](https://youtrack.jetbrains.com/issue/KT-12651) Fix exception in evaluate expression when bad identifier is used for marking object
 - [`KT-12896`](https://youtrack.jetbrains.com/issue/KT-12896) Fix "Step In" to inline functions for Android
 - [`KT-7549`](https://youtrack.jetbrains.com/issue/KT-13037) Allow to evaluate kotlin expressions in Java files
- 
+
 ### JS
 
 - [`KT-3008`](https://youtrack.jetbrains.com/issue/KT-3008) Generate require.js compatible modules

idea/src/org/jetbrains/kotlin/idea/findUsages/KotlinFindUsagesProvider.kt

@@ -22,6 +22,7 @@ import com.intellij.psi.PsiDirectory
 import com.intellij.psi.PsiElement
 import com.intellij.psi.PsiFile
 import com.intellij.psi.PsiPackage
+import org.jetbrains.kotlin.asJava.elements.KtLightElement
 import org.jetbrains.kotlin.descriptors.FunctionDescriptor
 import org.jetbrains.kotlin.idea.caches.resolve.resolveToDescriptor
 import org.jetbrains.kotlin.idea.util.IdeDescriptorRenderers
@@ -78,6 +79,7 @@ class KotlinFindUsagesProvider : FindUsagesProvider {
                 val funDescription = "$name$paramsDescription" + (returnTypeDescription?.let { ": $it" } ?: "")
                 return funDescription + (element.containerDescription?.let { " of $it" } ?: "")
             }
+            is KtLightElement<*, *> -> element.kotlinOrigin?.let { getDescriptiveName(it) } ?: ""
             else -> ""
         }
     }