[PL] Fix: Allow IrEnumConstructorCall with constructed class with kind=ENUM_ENTRY

compiler/ir/serialization.common/src/org/jetbrains/kotlin/backend/common/linkage/partial/PartiallyLinkedIrTreePatcher.kt

@@ -519,7 +519,8 @@ internal class PartiallyLinkedIrTreePatcher(
             checkReferencedDeclaration(symbol)
                 ?: checkExpressionTypeArguments()
                 ?: checkReferencedDeclarationType(expression.symbol.owner.parentAsClass, "enum class") { constructedClass ->
-                    constructedClass.kind == ClassKind.ENUM_CLASS || constructedClass.symbol == builtIns.enumClass
+                    constructedClass.kind == ClassKind.ENUM_CLASS || constructedClass.kind == ClassKind.ENUM_ENTRY
+                            || constructedClass.symbol == builtIns.enumClass
                 }
                 ?: checkArgumentsAndValueParameters(symbol.owner)
         }

compiler/testData/klibABI/classTransformations/lib2/l2.kt

@@ -220,3 +220,25 @@ fun instantiationOfAbstractClass() {
     // abstract classes except for from their direct inheritors.
     ClassToAbstractClass().getGreeting()
 }
+
+// This is required to check that enum entry classes are correctly handled in partial linkage.
+enum class StableEnum {
+    FOO {
+        val x = "OK"
+
+        inner class Inner {
+            val y = x
+        }
+
+        val z = Inner()
+
+        override val test: String
+            get() = z.y
+    },
+    BAR {
+        override val test = "OK"
+    };
+
+    abstract val test: String
+}
+

compiler/testData/klibABI/classTransformations/main/m.kt

@@ -207,4 +207,7 @@ fun box() = abiTest {
     expectSuccess { getFunctionalInterfaceToInterface(); "OK" }
 
     expectFailure(linkage("Constructor 'ClassToAbstractClass.<init>' can not be called: Can not instantiate abstract class 'ClassToAbstractClass'")) { instantiationOfAbstractClass() }
+
+    expectSuccess { StableEnum.FOO.test }
+    expectSuccess { StableEnum.BAR.test }
 }