IR: fix deserialization of publicly visible type parameters

compiler/ir/serialization.common/src/org/jetbrains/kotlin/backend/common/serialization/IrDeclarationDeserializer.kt

@@ -260,8 +260,17 @@ class IrDeclarationDeserializer(
             } else {
                 val symbolData = BinarySymbolData.decode(proto.base.symbol)
                 sig = symbolDeserializer.deserializeIdSignature(symbolData.signatureId)
-                declareScopedTypeParameter(sig, {
+                declareScopedTypeParameter(
-                    if (it.isPubliclyVisible) IrTypeParameterPublicSymbolImpl(it) else IrTypeParameterSymbolImpl() }, factory)
+                    sig,
+                    {
+                        if (it.isPubliclyVisible)
+                            symbolDeserializer.deserializeIrSymbol(
+                                sig, BinarySymbolData.SymbolKind.TYPE_PARAMETER_SYMBOL
+                            ) as IrTypeParameterSymbol
+                        else IrTypeParameterSymbolImpl()
+                    },
+                    factory
+                )
             }
         }
 

compiler/ir/serialization.jvm/src/org/jetbrains/kotlin/backend/jvm/serialization/deserializeLazyDeclarations.kt

@@ -69,7 +69,7 @@ fun deserializeFromByteArray(
         fileSymbol = dummyIrFile.symbol,
         /* TODO */ actuals = emptyList(),
         enqueueLocalTopLevelDeclaration = {}, // just link to it in symbolTable
-        handleExpectActualMapping = { _, _ -> TODO() }
+        handleExpectActualMapping = { _, symbol -> symbol } no expect declarations
     ) { idSignature, symbolKind ->
         referencePublicSymbol(symbolTable, descriptorFinder, idSignature, symbolKind)
     }