[Tests] Add tests for KT-40180

^KT-40180 Fixed

compiler/testData/codegen/box/fakeOverride/kt40180.kt

@@ -0,0 +1,18 @@
+// TARGET_BACKEND: JVM
+// TARGET_BACKEND: JVM_IR
+
+// FILE: Base.java
+public class Base {
+    // Parameter considered as nullable by FO builder
+    public void foo(String s) {}
+}
+// FILE: Derived.kt
+class Derived : Base() {
+    // Parameter is not null
+    override fun foo(s: String) {}
+}
+
+fun box(): String {
+    Derived().foo("")
+    return "OK"
+}

compiler/testData/codegen/box/fakeOverride/kt40180_2.kt

@@ -0,0 +1,23 @@
+// TARGET_BACKEND: JVM
+// TARGET_BACKEND: JVM_IR
+// JVM_TARGET: 1.8
+
+// FILE: Test.java
+public interface Test<T> {
+    default T test(T p) {
+        return null;
+    }
+}
+
+// FILE: kotlin.kt
+interface Test2: Test<String> {
+    override fun test(p: String): String {
+        return p
+    }
+
+    fun forDefaultImpls() {}
+}
+
+class TestClass : Test2
+
+fun box() = TestClass().test("OK")

compiler/testData/codegen/box/fakeOverride/kt40180_3.kt

@@ -0,0 +1,63 @@
+// TARGET_BACKEND: JVM
+// TARGET_BACKEND: JVM_IR
+
+// FILE: B.java
+public abstract class B<E> extends A<E> implements L<E> {
+    public String callIndexAdd(int x) {
+        add(0, null);
+        return null;
+    }
+}
+
+// FILE: main.kt
+open class A<T> : Collection<T> {
+    override val size: Int
+        get() = TODO("Not yet implemented")
+
+    override fun contains(element: T): Boolean {
+        TODO("Not yet implemented")
+    }
+
+    override fun containsAll(elements: Collection<T>): Boolean {
+        TODO("Not yet implemented")
+    }
+
+    override fun isEmpty(): Boolean {
+        TODO("Not yet implemented")
+    }
+
+    override fun iterator(): Iterator<T> {
+        TODO("Not yet implemented")
+    }
+}
+
+interface L<Q> : List<Q>
+
+// 'add(Int; Object)' method must be present in C though it has supeclass that is subclass of List
+class C<F> : B<F>() {
+    override fun get(index: Int): F {
+        TODO("Not yet implemented")
+    }
+
+    override fun indexOf(element: F): Int {
+        TODO("Not yet implemented")
+    }
+
+    override fun lastIndexOf(element: F): Int {
+        TODO("Not yet implemented")
+    }
+
+    override fun listIterator(): ListIterator<F> {
+        TODO("Not yet implemented")
+    }
+
+    override fun listIterator(index: Int): ListIterator<F> {
+        TODO("Not yet implemented")
+    }
+
+    override fun subList(fromIndex: Int, toIndex: Int): List<F> {
+        TODO("Not yet implemented")
+    }
+}
+
+fun box() = "OK"