Intentions: 'Implement abstract member' (Kotlin -> Kotlin)

#KT-8467 In Progress

idea/testData/intentions/implementAbstractMember/function/noDirectOverridesNeeded.kt

@@ -0,0 +1,17 @@
+// IS_APPLICABLE: false
+// ERROR: Class 'C' must be declared abstract or implement abstract base class member public abstract fun foo(): kotlin.Int defined in B
+interface A {
+    fun <caret>foo(): Int
+}
+
+class X : A {
+    override fun foo() = 1
+}
+
+abstract class B : A {
+    abstract override fun foo(): Int
+}
+
+class C: B() {
+
+}