Intentions: Move class member to companion object

#KT-9697 In Progress

idea/testData/intentions/moveToCompanion/overriddenFunction.kt

@@ -0,0 +1,12 @@
+// SHOULD_FAIL_WITH: Function <b><code>foo</code></b> is overridden by declaration(s) in a subclass
+open class A {
+    open fun <caret>foo() {
+
+    }
+}
+
+class B: A() {
+    override fun foo() {
+
+    }
+}