FIR: deserialize classes lazily from KLib to avoid cycles

the cycle appears e.g. on the Target annotation

compiler/fir/entrypoint/src/org/jetbrains/kotlin/fir/session/KlibBasedSymbolProvider.kt

@@ -9,8 +9,10 @@ import org.jetbrains.kotlin.descriptors.SourceFile
 import org.jetbrains.kotlin.fir.FirSession
 import org.jetbrains.kotlin.fir.declarations.FirDeclarationOrigin
 import org.jetbrains.kotlin.fir.deserialization.*
+import org.jetbrains.kotlin.fir.isNewPlaceForBodyGeneration
 import org.jetbrains.kotlin.fir.languageVersionSettings
 import org.jetbrains.kotlin.fir.scopes.FirKotlinScopeProvider
+import org.jetbrains.kotlin.fir.symbols.SymbolInternals
 import org.jetbrains.kotlin.library.metadata.KlibMetadataClassDataFinder
 import org.jetbrains.kotlin.library.resolver.KotlinResolvedLibrary
 import org.jetbrains.kotlin.metadata.ProtoBuf
@@ -80,6 +82,7 @@ class KlibBasedSymbolProvider(
         }
     }
 
+    @OptIn(SymbolInternals::class)
     override fun extractClassMetadata(classId: ClassId, parentContext: FirDeserializationContext?): ClassMetadataFindResult? {
         val packageStringName = classId.packageFqName.asString()
 
@@ -99,6 +102,9 @@ class KlibBasedSymbolProvider(
             val finder = KlibMetadataClassDataFinder(fragment, nameResolver)
             val classProto = finder.findClassData(classId)?.classProto ?: return@forEach
 
+            val moduleData = moduleDataProvider.getModuleData(libraryPath) ?: return null
+
+            return ClassMetadataFindResult.NoMetadata { symbol ->
                 val source = object : DeserializedContainerSource {
                     override val incompatibility: IncompatibleVersionErrorData<*>? = null
                     override val isPreReleaseInvisible =
@@ -109,14 +115,22 @@ class KlibBasedSymbolProvider(
                     override fun getContainingFile() = SourceFile.NO_SOURCE_FILE
                 }
 
-            return ClassMetadataFindResult.Metadata(
+                deserializeClassToSymbol(
-                nameResolver,
+                    classId,
                     classProto,
+                    symbol,
+                    nameResolver,
+                    session,
+                    moduleData,
                     annotationDeserializer,
-                moduleDataProvider.getModuleData(libraryPath),
+                    kotlinScopeProvider,
+                    parentContext,
                     source,
-                classPostProcessor = {}
+                    origin = defaultDeserializationOrigin,
+                    deserializeNestedClass = this::getClass,
                 )
+                symbol.fir.isNewPlaceForBodyGeneration = isNewPlaceForBodyGeneration(classProto)
+            }
         }
 
         return null