Obsolete KT-3285: "A receiver of type ... is required" when using extension functions

#KT-5467 Obsolete

compiler/testData/codegen/box/extensionFunctions/kt3285.kt

@@ -0,0 +1,32 @@
+var sayResult = ""
+
+class NoiseMaker {
+    fun say(str: String) { sayResult += str }
+}
+
+fun noiseMaker(f: NoiseMaker.() -> Unit) {
+    val noiseMaker = NoiseMaker()
+    noiseMaker.f()
+}
+
+abstract class Pet {
+    fun <T> NoiseMaker.playWith(friend: T) {
+        say("Playing with " + friend)
+    }
+
+    abstract fun play(): Unit
+}
+
+class Doggy(): Pet()  {
+    override fun play() = noiseMaker {
+        say("Time to play! ")
+        playWith("my owner!")
+    }
+}
+
+fun box(): String {
+    Doggy().play()
+    if (sayResult != "Time to play! Playing with my owner!") return "fail: $result"
+
+    return "OK"
+}