Fix incorrect filtering for `fixPrivateTypeParametersSymbolsFromOldKL…

…ibs`.

SKIE/kotlin-compiler/linker-plugin/src/kgp_1.8.0..2.0.0/kotlin/co/touchlab/skie/kir/irbuilder/impl/IrTypeParameterSymbol+isPublicSymbol_1.8.0.kt

@@ -0,0 +1,7 @@
+package co.touchlab.skie.kir.irbuilder.impl
+
+import org.jetbrains.kotlin.ir.symbols.IrTypeParameterSymbol
+import org.jetbrains.kotlin.ir.symbols.impl.IrTypeParameterPublicSymbolImpl
+
+actual val IrTypeParameterSymbol.isPublicSymbol: Boolean
+    get() = this is IrTypeParameterPublicSymbolImpl

SKIE/kotlin-compiler/linker-plugin/src/kgp_2.0.20/kotlin/co/touchlab/skie/kir/irbuilder/impl/IrTypeParameterSymbol+isPublicSymbol_2.0.20.kt

@@ -0,0 +1,6 @@
+package co.touchlab.skie.kir.irbuilder.impl
+
+import org.jetbrains.kotlin.ir.symbols.IrTypeParameterSymbol
+
+actual val IrTypeParameterSymbol.isPublicSymbol: Boolean
+    get() = signature != null

SKIE/kotlin-compiler/linker-plugin/src/kgp_common/kotlin/co/touchlab/skie/kir/irbuilder/impl/DeclarationBuilderImpl.kt

@@ -40,7 +40,6 @@ import org.jetbrains.kotlin.ir.ObsoleteDescriptorBasedAPI
 import org.jetbrains.kotlin.ir.declarations.IrModuleFragment
 import org.jetbrains.kotlin.ir.declarations.IrTypeParameter
 import org.jetbrains.kotlin.ir.declarations.IrTypeParametersContainer
-import org.jetbrains.kotlin.ir.symbols.IrTypeParameterSymbol
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.serialization.deserialization.DeserializedPackageFragment
 import org.jetbrains.kotlin.serialization.deserialization.descriptors.DeserializedClassDescriptor
@@ -161,7 +160,7 @@ class DeclarationBuilderImpl(
      */
     private fun fixPrivateTypeParametersSymbolsFromOldKLibs(skieSymbolTable: SkieSymbolTable) {
         skieSymbolTable.allExposedTypeParameters(mutableDescriptorProvider)
-            .filter { it.symbol !is IrTypeParameterSymbol }
+            .filterNot { it.symbol.isPublicSymbol }
             .forEach {
                 skieSymbolTable.declarePrivateTypeParameterAsPublic(it)
             }

SKIE/kotlin-compiler/linker-plugin/src/kgp_common/kotlin/co/touchlab/skie/kir/irbuilder/impl/IrTypeParameterSymbol+isPublicSymbol.kt

@@ -0,0 +1,5 @@
+package co.touchlab.skie.kir.irbuilder.impl
+
+import org.jetbrains.kotlin.ir.symbols.IrTypeParameterSymbol
+
+expect val IrTypeParameterSymbol.isPublicSymbol: Boolean