Track fake overrides for IrField

compiler/testData/ir/irText/stubs/genericClassInDifferentModule.kt

@@ -0,0 +1,23 @@
+// MODULE: m1
+// FILE: genericClassInDifferentModule_m1.kt
+
+abstract class Base<T>(val x: T) {
+    abstract fun <Y> foo(y: Y): T
+
+    abstract var bar: T
+
+    abstract var <Z> Z.exn: T
+}
+
+// MODULE: m2(m1)
+// FILE: genericClassInDifferentModule_m2.kt
+
+class Derived1<T>(x: T) : Base<T>(x) {
+    override fun <Y> foo(y: Y): T = x
+
+    override var bar: T = x
+
+    override var <Z> Z.exn: T
+        get() = x
+        set(value) {}
+}