[Commonizer] Short-circuiting of type aliases

^KT-41220

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

@@ -2,7 +2,12 @@ expect class A()
 
 // Lifted up type aliases:
 typealias B = A // class at the RHS
-typealias C = B // TA at the RHS
+typealias C = A // TA at the RHS, expanded to the same class
+typealias C2 = A // 2x TA at the RHS, expanded to the same class
+typealias C3 = A // 3x TA at the RHS, expanded to the same class
+
+typealias D = A // class/TA expanded to the same class at the RHS
+typealias E = A // different TAs expanded to the same class at the RHS
 
 typealias F = List<String> // parameterized type at the RHS
 typealias H<T> = List<T> // TA with own parameters
@@ -21,5 +26,5 @@ expect class T
 // Nullability:
 typealias U = A // same nullability of the RHS class
 expect class V // different nullability of the RHS class
-typealias W = U // same nullability of the RHS TA
+typealias W = A // same nullability of the RHS TA
 typealias Y = V // TA at the RHS with the different nullability of own RHS

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

@@ -1,9 +1,6 @@
 actual class A actual constructor()
 
 // Lifted up type aliases:
-typealias D = B // class/TA at the RHS
-typealias E = C // different TAs at the RHS
-
 typealias G = List<Int> // different parameterized types at the RHS
 
 typealias I<T> = List<T> // TAs with own parameters with different names

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

@@ -1,9 +1,6 @@
 actual class A actual constructor()
 
 // Lifted up type aliases:
-typealias D = A // class/TA at the RHS
-typealias E = B // different TAs at the RHS
-
 typealias G = List<String> // different parameterized types at the RHS
 
 typealias I<R> = List<R> // TAs with own parameters with different names

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

@@ -2,10 +2,12 @@ class A
 
 // Lifted up type aliases:
 typealias B = A // class at the RHS
-typealias C = B // TA at the RHS
+typealias C = B // TA at the RHS, expanded to the same class
+typealias C2 = C // 2x TA at the RHS, expanded to the same class
+typealias C3 = C2 // 3x TA at the RHS, expanded to the same class
 
-typealias D = B // class/TA at the RHS
-typealias E = C // different TAs at the RHS
+typealias D = B // class/TA expanded to the same class at the RHS
+typealias E = C // different TAs expanded to the same class at the RHS
 
 typealias F = List<String> // parameterized type at the RHS
 typealias G = List<Int> // different parameterized types at the RHS

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

@@ -2,10 +2,12 @@ class A
 
 // Lifted up type aliases:
 typealias B = A // class at the RHS
-typealias C = B // TA at the RHS
+typealias C = B // TA at the RHS, expanded to the same class
+typealias C2 = C // 2x TA at the RHS, expanded to the same class
+typealias C3 = C2 // 3x TA at the RHS, expanded to the same class
 
-typealias D = A // class/TA at the RHS
-typealias E = B // different TAs at the RHS
+typealias D = A // class/TA expanded to the same class at the RHS
+typealias E = B // different TAs expanded to the same class at the RHS
 
 typealias F = List<String> // parameterized type at the RHS
 typealias G = List<String> // different parameterized types at the RHS