Enum entries generation (no underlying classes yet)

compiler/testData/ir/irText/classes/classes.txt

@@ -12,3 +12,4 @@ FILE /classes.kt
   CLASS ENUM_CLASS TestEnumClass
     FUN private constructor TestEnumClass()
       BLOCK_BODY
+        ENUM_CONSTRUCTOR_CALL Enum super

compiler/testData/ir/irText/classes/enum.kt

@@ -0,0 +1,9 @@
+enum class TestEnum1 {
+    TEST1, TEST2
+}
+
+enum class TestEnum2(val x: Int) {
+    TEST1(1),
+    TEST2(2),
+    TEST3(3)
+}

compiler/testData/ir/irText/classes/enum.txt

@@ -0,0 +1,27 @@
+FILE /enum.kt
+  CLASS ENUM_CLASS TestEnum1
+    FUN private constructor TestEnum1()
+      BLOCK_BODY
+        ENUM_CONSTRUCTOR_CALL Enum super
+    ENUM_ENTRY enum entry TEST1
+      init: ENUM_CONSTRUCTOR_CALL TestEnum1 TEST1
+    ENUM_ENTRY enum entry TEST2
+      init: ENUM_CONSTRUCTOR_CALL TestEnum1 TEST2
+  CLASS ENUM_CLASS TestEnum2
+    FUN private constructor TestEnum2(/*0*/ x: kotlin.Int)
+      BLOCK_BODY
+        ENUM_CONSTRUCTOR_CALL Enum super
+        SET_BACKING_FIELD x type=kotlin.Unit operator=null
+          GET_VAR x type=kotlin.Int operator=INITIALIZE_PROPERTY_FROM_PARAMETER
+    PROPERTY public final val x: kotlin.Int
+      EXPRESSION_BODY
+        GET_VAR x type=kotlin.Int operator=INITIALIZE_PROPERTY_FROM_PARAMETER
+    ENUM_ENTRY enum entry TEST1
+      init: ENUM_CONSTRUCTOR_CALL TestEnum2 TEST1
+        x: CONST Int type=kotlin.Int value='1'
+    ENUM_ENTRY enum entry TEST2
+      init: ENUM_CONSTRUCTOR_CALL TestEnum2 TEST2
+        x: CONST Int type=kotlin.Int value='2'
+    ENUM_ENTRY enum entry TEST3
+      init: ENUM_CONSTRUCTOR_CALL TestEnum2 TEST3
+        x: CONST Int type=kotlin.Int value='3'

compiler/testData/ir/irText/expressions/values.txt

@@ -2,9 +2,9 @@ FILE /values.kt
   CLASS ENUM_CLASS Enum
     FUN private constructor Enum()
       BLOCK_BODY
-    CLASS ENUM_ENTRY A
-      FUN private constructor A()
-        BLOCK_BODY
+        ENUM_CONSTRUCTOR_CALL Enum super
+    ENUM_ENTRY enum entry A
+      init: ENUM_CONSTRUCTOR_CALL Enum A
   CLASS OBJECT A
     FUN private constructor A()
       BLOCK_BODY