[Commonizer] Tests for missed supertypes in commonized type aliases

^KT-41247

native/commonizer/testData/classifierCommonization/typeAliases/commonized/common/package_kotlinx_cinterop.kt

@@ -0,0 +1,5 @@
+// this is to avoid missing Kotlin/Native stdlib
+package kotlinx.cinterop
+
+// fake class with the default constructor and no member scope
+public abstract class CStructVar()

native/commonizer/testData/classifierCommonization/typeAliases/commonized/common/package_root.kt

@@ -28,3 +28,6 @@ typealias U = A // same nullability of the RHS class
 expect class V // different nullability of the RHS class
 typealias W = A // same nullability of the RHS TA
 typealias Y = V // TA at the RHS with the different nullability of own RHS
+
+// Supertypes:
+expect class FILE : kotlinx.cinterop.CStructVar

native/commonizer/testData/classifierCommonization/typeAliases/commonized/linux/package_kotlinx_cinterop.kt

@@ -0,0 +1,5 @@
+// this is to avoid missing Kotlin/Native stdlib
+package kotlinx.cinterop
+
+// fake class with the default constructor and no member scope
+public abstract class CStructVar()

native/commonizer/testData/classifierCommonization/typeAliases/commonized/linux/package_root.kt

@@ -16,3 +16,7 @@ actual typealias T = Int
 // Nullability:
 actual typealias V = A? // different nullability of the RHS class
 typealias X = U? // different nullability of the RHS TA
+
+// Supertypes:
+actual typealias FILE = _IO_FILE
+final class _IO_FILE : kotlinx.cinterop.CStructVar {}

native/commonizer/testData/classifierCommonization/typeAliases/commonized/macos/package_kotlinx_cinterop.kt

@@ -0,0 +1,5 @@
+// this is to avoid missing Kotlin/Native stdlib
+package kotlinx.cinterop
+
+// fake class with the default constructor and no member scope
+public abstract class CStructVar()

native/commonizer/testData/classifierCommonization/typeAliases/commonized/macos/package_root.kt

@@ -16,3 +16,7 @@ actual typealias T = String
 // Nullability:
 actual typealias V = A // different nullability of the RHS class
 typealias X = U // different nullability of the RHS TA
+
+// Supertypes:
+actual typealias FILE = __sFILE
+final class __sFILE : kotlinx.cinterop.CStructVar {}

native/commonizer/testData/classifierCommonization/typeAliases/original/linux/package_kotlinx_cinterop.kt

@@ -0,0 +1,5 @@
+// this is to avoid missing Kotlin/Native stdlib
+package kotlinx.cinterop
+
+// fake class with the default constructor and no member scope
+public abstract class CStructVar()

native/commonizer/testData/classifierCommonization/typeAliases/original/linux/package_root.kt

@@ -36,3 +36,7 @@ typealias V = A? // different nullability of the RHS class
 typealias W = U // same nullability of the RHS TA
 typealias X = U? // different nullability of the RHS TA
 typealias Y = V // TA at the RHS with the different nullability of own RHS
+
+// Supertypes:
+typealias FILE = _IO_FILE
+final class _IO_FILE : kotlinx.cinterop.CStructVar {}

native/commonizer/testData/classifierCommonization/typeAliases/original/macos/package_kotlinx_cinterop.kt

@@ -0,0 +1,5 @@
+// this is to avoid missing Kotlin/Native stdlib
+package kotlinx.cinterop
+
+// fake class with the default constructor and no member scope
+public abstract class CStructVar()

native/commonizer/testData/classifierCommonization/typeAliases/original/macos/package_root.kt

@@ -36,3 +36,7 @@ typealias V = A // different nullability of the RHS class
 typealias W = U // same nullability of the RHS TA
 typealias X = U // different nullability of the RHS TA
 typealias Y = V // TA at the RHS with the different nullability of own RHS
+
+// Supertypes:
+typealias FILE = __sFILE
+final class __sFILE : kotlinx.cinterop.CStructVar {}