Code Insight: "Generate equals/hashCode" action

idea/testData/codeInsight/generate/equalsWithHashCode/singleVarWithSuperClass.kt

@@ -0,0 +1,10 @@
+open class X {
+    override fun equals(other: Any?) = super.equals(other)
+    override fun hashCode() = super.hashCode()
+}
+
+class A(val n: Int) : X() {<caret>
+    fun foo() {
+
+    }
+}