IR: fix IrClassSymbol.starProjectedType

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/descriptors/IrBasedDescriptors.kt

@@ -635,13 +635,7 @@ open class IrBasedClassDescriptor(owner: IrClass) : ClassDescriptor, IrBasedDecl
     }
 
     private fun collectTypeParameters(): List<TypeParameterDescriptor> =
-        generateSequence(owner as IrTypeParametersContainer,
-                         { current ->
-                             val parent = current.parent as? IrTypeParametersContainer
-                             if (parent is IrClass && current is IrClass && !current.isInner) null
-                             else parent
-                         })
-            .flatMap { it.typeParameters }
+        owner.typeConstructorParameters
             .map { it.toIrBasedDescriptor() }
             .toList()
 

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/descriptors/WrappedDescriptors.kt

@@ -16,6 +16,7 @@ import org.jetbrains.kotlin.ir.declarations.*
 import org.jetbrains.kotlin.ir.expressions.*
 import org.jetbrains.kotlin.ir.types.classifierOrFail
 import org.jetbrains.kotlin.ir.types.toKotlinType
+import org.jetbrains.kotlin.ir.types.typeConstructorParameters
 import org.jetbrains.kotlin.ir.util.*
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.resolve.constants.*
@@ -612,13 +613,7 @@ open class WrappedClassDescriptor : ClassDescriptor, WrappedDeclarationDescripto
     }
 
     private fun collectTypeParameters(): List<TypeParameterDescriptor> =
-        generateSequence(owner as IrTypeParametersContainer,
-                         { current ->
-                             val parent = current.parent as? IrTypeParametersContainer
-                             if (parent is IrClass && current is IrClass && !current.isInner) null
-                             else parent
-                         })
-            .flatMap { it.typeParameters }
+        owner.typeConstructorParameters
             .map { it.descriptor }
             .toList()
 

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/types/irTypes.kt

@@ -9,6 +9,7 @@ import org.jetbrains.kotlin.descriptors.ClassDescriptor
 import org.jetbrains.kotlin.ir.ObsoleteDescriptorBasedAPI
 import org.jetbrains.kotlin.ir.declarations.IrClass
 import org.jetbrains.kotlin.ir.declarations.IrTypeParameter
+import org.jetbrains.kotlin.ir.declarations.IrTypeParametersContainer
 import org.jetbrains.kotlin.ir.expressions.IrConstructorCall
 import org.jetbrains.kotlin.ir.symbols.IrClassSymbol
 import org.jetbrains.kotlin.ir.symbols.IrClassifierSymbol
@@ -149,10 +150,19 @@ val IrClassSymbol.starProjectedType: IrSimpleType
     get() = IrSimpleTypeImpl(
         this,
         hasQuestionMark = false,
-        arguments = owner.typeParameters.map { IrStarProjectionImpl },
+        arguments = owner.typeConstructorParameters.map { IrStarProjectionImpl }.toList(),
         annotations = emptyList()
     )
 
+val IrClass.typeConstructorParameters: Sequence<IrTypeParameter>
+    get() = generateSequence(this as IrTypeParametersContainer,
+                             { current ->
+                                 val parent = current.parent as? IrTypeParametersContainer
+                                 if (parent is IrClass && current is IrClass && !current.isInner) null
+                                 else parent
+                             })
+        .flatMap { it.typeParameters }
+
 fun IrClassifierSymbol.typeWithParameters(parameters: List<IrTypeParameter>): IrSimpleType =
     typeWith(parameters.map { it.defaultType })