K2 opt-in: don't take sub./int. override parent classes into account

#KT-54823 Fixed

compiler/testData/diagnostics/testsWithStdLib/experimental/callOfBaseFunctionFromGeneric.kt

@@ -0,0 +1,31 @@
+// FIR_IDENTICAL
+// See KT-54823
+
+@RequiresOptIn
+annotation class Marker
+
+interface VeryBase<T> {
+    fun foo(base: VeryBase<*>) {}
+}
+
+@Marker
+abstract class Base<T> : VeryBase<T> {
+    fun bar(base: Base<*>) {}
+
+    fun baz() {}
+}
+
+@OptIn(Marker::class)
+open class Intermediate : Base<String>()
+
+class Derived : Intermediate()
+
+fun main() {
+    val d = Derived()
+    // Should be Ok (declared in VeryBase without marker)
+    d.foo(d)
+    // Should be Ok (declared in Base with marker, but called on a receiver of type Derived without marker)
+    d.baz()
+    // Should be Error (has a parameter of type Base with marker)
+    d.<!OPT_IN_USAGE_ERROR!>bar<!>(d)
+}

compiler/testData/diagnostics/testsWithStdLib/experimental/callOfBaseFunctionFromGeneric.txt

@@ -0,0 +1,47 @@
+package
+
+public fun main(): kotlin.Unit
+
+@Marker public abstract class Base</*0*/ T> : VeryBase<T> {
+    public constructor Base</*0*/ T>()
+    public final fun bar(/*0*/ base: Base<*>): kotlin.Unit
+    public final fun baz(): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun foo(/*0*/ base: VeryBase<*>): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public final class Derived : Intermediate {
+    public constructor Derived()
+    public final override /*1*/ /*fake_override*/ fun bar(/*0*/ base: Base<*>): kotlin.Unit
+    public final override /*1*/ /*fake_override*/ fun baz(): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun foo(/*0*/ base: VeryBase<*>): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+@kotlin.OptIn(markerClass = {Marker::class}) public open class Intermediate : Base<kotlin.String> {
+    public constructor Intermediate()
+    public final override /*1*/ /*fake_override*/ fun bar(/*0*/ base: Base<*>): kotlin.Unit
+    public final override /*1*/ /*fake_override*/ fun baz(): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun foo(/*0*/ base: VeryBase<*>): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+@kotlin.RequiresOptIn public final annotation class Marker : kotlin.Annotation {
+    public constructor Marker()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public interface VeryBase</*0*/ T> {
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open fun foo(/*0*/ base: VeryBase<*>): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}