[FIR-TEST] Add new testdata generated after changes in previous commit

compiler/testData/diagnostics/tests/delegation/covariantOverrides/fromClass.fir.kt

@@ -0,0 +1,19 @@
+interface IBase1 {
+    fun foo(): Any
+}
+
+open class IDerived1 : IBase1 {
+    override fun foo(): String = "1"
+}
+
+class Broken1(val b: IBase1) : IBase1 by b, IDerived1()
+
+interface IBase2 {
+    val foo: Any
+}
+
+open class IDerived2 : IBase2 {
+    override val foo: String = "2"
+}
+
+class Broken2(val b: IBase2) : IBase2 by b, IDerived2()

compiler/testData/diagnostics/tests/delegation/covariantOverrides/irrelevant.fir.kt

@@ -0,0 +1,19 @@
+interface IBase1 {
+    fun foo(): Any
+}
+
+interface IDerived1 {
+    fun foo(): String
+}
+
+class Broken1(val b: IBase1) : IBase1 by b, IDerived1
+
+interface IBase2 {
+    val foo: Any
+}
+
+interface IDerived2 {
+    val foo: String
+}
+
+class Broken2(val b: IBase2) : IBase2 by b, IDerived2

compiler/testData/diagnostics/tests/delegation/covariantOverrides/kt13952.fir.kt

@@ -0,0 +1,17 @@
+interface IA {
+    fun foo(): Number
+}
+
+interface IB : IA {
+    override fun foo(): Int
+}
+
+object AImpl : IA {
+    override fun foo() = 42
+}
+
+open class C : IA by AImpl, IB
+
+class D : C() {
+    override fun foo(): Double = 3.14
+}

compiler/testData/diagnostics/tests/delegation/covariantOverrides/simple.fir.kt

@@ -0,0 +1,19 @@
+interface IBase1 {
+    fun foo(): Any
+}
+
+interface IDerived1 : IBase1 {
+    override fun foo(): String
+}
+
+class Broken1(val b: IBase1) : IBase1 by b, IDerived1
+
+interface IBase2 {
+    val foo: Any
+}
+
+interface IDerived2 : IBase2 {
+    override val foo: String
+}
+
+class Broken2(val b: IBase2) : IBase2 by b, IDerived2