Eliminated -Xdeserialize-fake-overrides

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

@@ -67,11 +67,6 @@ object FakeOverrideControl {
     // If set to true: all fake overrides go to klib serialized IR.
     // If set to false: eligible fake overrides are not serialized.
     val serializeFakeOverrides: Boolean = true
-
-    // If set to true: fake overrides are deserialized from klib serialized IR.
-    // If set to false: eligible fake overrides are constructed within IR linker.
-    // This is the default in the absence of -Xdeserialize-fake-overrides flag.
-    val deserializeFakeOverrides: Boolean = false
 }
 
 class FakeOverrideBuilder(

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

@@ -114,7 +114,6 @@ abstract class IrFileDeserializer(
     val builtIns: IrBuiltIns,
     val symbolTable: SymbolTable,
     protected var deserializeBodies: Boolean,
-    private val deserializeFakeOverrides: Boolean,
     private val fakeOverrideBuilder: FakeOverrideBuilder,
     private val allowErrorNodes: Boolean
 ) {
@@ -1468,7 +1467,6 @@ abstract class IrFileDeserializer(
     // Depending on deserialization strategy we either deserialize public api fake overrides
     // or reconstruct them after IR linker completes.
     private fun isSkippableFakeOverride(proto: ProtoDeclaration, parent: IrClass): Boolean {
-        if (deserializeFakeOverrides) return false
         if (!platformFakeOverrideClassFilter.needToConstructFakeOverrides(parent)) return false
 
         val symbol = when (proto.declaratorCase!!) {

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

@@ -52,8 +52,7 @@ abstract class KotlinIrLinker(
     val logger: LoggingContext,
     val builtIns: IrBuiltIns,
     val symbolTable: SymbolTable,
-    private val exportedDependencies: List<ModuleDescriptor>,
-    private val deserializeFakeOverrides: Boolean
+    private val exportedDependencies: List<ModuleDescriptor>
 ) : IrDeserializer, FileLocalAwareLinker {
 
     // Kotlin-MPP related data. Consider some refactoring
@@ -173,7 +172,6 @@ abstract class KotlinIrLinker(
                     fileIndex,
                     !strategy.needBodies,
                     strategy.inlineBodies,
-                    deserializeFakeOverrides,
                     moduleDeserializer, allowErrorNodes
                 ).apply {
 
@@ -236,7 +234,6 @@ abstract class KotlinIrLinker(
         private val fileIndex: Int,
         onlyHeaders: Boolean,
         inlineBodies: Boolean,
-        deserializeFakeOverrides: Boolean,
         private val moduleDeserializer: IrModuleDeserializer,
         allowErrorNodes: Boolean
     ) :
@@ -245,7 +242,6 @@ abstract class KotlinIrLinker(
             builtIns,
             symbolTable,
             !onlyHeaders,
-            deserializeFakeOverrides,
             fakeOverrideBuilder,
             allowErrorNodes
         )