[IR SERIALIZATION] Fix rebase

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

@@ -38,7 +38,7 @@ abstract class GlobalDeclarationTable(private val mangler: KotlinMangler, privat
     protected open fun loadKnownBuiltins(builtIns: IrBuiltIns, startIndex: Long): Long {
         var index = startIndex
         builtIns.knownBuiltins.forEach {
-            table[it.owner] = UniqId(index++, false)
+            table[it.owner] = UniqId(index++, false).also { id -> clashTracker.commit(it.owner, id) }
         }
         return index
     }

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

@@ -29,11 +29,7 @@ abstract class DescriptorReferenceDeserializer(
 ) : DescriptorUniqIdAware {
 
     protected open fun resolveSpecialDescriptor(fqn: FqName) = builtIns.builtIns.getBuiltInClassByFqName(fqn)
-
-    protected abstract fun resolveSpecialDescriptor(fqn: FqName): DeclarationDescriptor
-    abstract fun checkIfSpecialDescriptorId(id: Long): Boolean
-    protected abstract fun getDescriptorIdOrNull(descriptor: DeclarationDescriptor): Long?
-    protected open fun checkIfSpecialDescriptorId(id: Long) = with(mangler) { id.isSpecial }
+    open fun checkIfSpecialDescriptorId(id: Long) = with(mangler) { id.isSpecial }
 
     protected open fun getDescriptorIdOrNull(descriptor: DeclarationDescriptor) =
         if (isBuiltInFunction(descriptor)) {

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

@@ -6,6 +6,7 @@
 package org.jetbrains.kotlin.backend.common.serialization
 
 import org.jetbrains.kotlin.backend.common.LoggingContext
+import org.jetbrains.kotlin.builtins.FunctionInterfacePackageFragment
 import org.jetbrains.kotlin.ir.declarations.IrFile
 import org.jetbrains.kotlin.ir.declarations.IrModuleFragment
 import org.jetbrains.kotlin.library.SerializedIrFile
@@ -20,6 +21,6 @@ abstract class IrModuleSerializer<F : IrFileSerializer>(protected val logger: Lo
     }
 
     fun serializedIrModule(module: IrModuleFragment): SerializedIrModule {
-        return SerializedIrModule(module.files.map { serializeIrFile(it) })
+        return SerializedIrModule(module.files.filter { it.packageFragmentDescriptor !is FunctionInterfacePackageFragment }.map { serializeIrFile(it) })
     }
 }