[FIR] Add symbol to FirAnonymousInitializer

compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/BuilderConfigurator.kt

@@ -263,6 +263,10 @@ object BuilderConfigurator : AbstractBuilderConfigurator<FirTreeBuilder>(FirTree
             useTypes(stubReferenceType)
         }
 
+        builder(anonymousInitializer) {
+            default("symbol", "FirAnonymousInitializerSymbol()")
+        }
+
         val elementsWithDefaultTypeRef = listOf(
             thisReceiverExpression,
             callableReferenceAccess,

compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/FirTreeBuilder.kt

@@ -26,7 +26,7 @@ object FirTreeBuilder : AbstractFirTreeBuilder() {
     val statement = element("Statement", Expression, annotationContainer)
     val expression = element("Expression", Expression, statement)
     val declaration = element("Declaration", Declaration)
-    val anonymousInitializer = element("AnonymousInitializer", Declaration, declaration)
+    val anonymousInitializer = element("AnonymousInitializer", Declaration, declaration, symbolOwner)
     val typedDeclaration = element("TypedDeclaration", Declaration, declaration, annotationContainer)
     val callableDeclaration = element("CallableDeclaration", Declaration, typedDeclaration, symbolOwner)
     val typeParameter = element("TypeParameter", Declaration, declaration, symbolOwner, annotationContainer)

compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/NodeConfigurator.kt

@@ -366,7 +366,9 @@ object NodeConfigurator : AbstractFieldConfigurator<FirTreeBuilder>(FirTreeBuild
         }
 
         anonymousInitializer.configure {
+            parentArg(symbolOwner, "E", anonymousInitializer)
             +body(nullable = true)
+            +symbol(anonymousInitializerSymbolType.type)
             +controlFlowGraphReferenceField
         }
 

compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/Types.kt

@@ -60,6 +60,7 @@ val classLikeSymbolType = type("fir.symbols.impl", "FirClassLikeSymbol<*>")
 val typeParameterSymbolType = type("fir.symbols.impl", "FirTypeParameterSymbol")
 val emptyArgumentListType = type("fir.expressions", "FirEmptyArgumentList")
 val firScopeProviderType = type("fir.scopes", "FirScopeProvider")
+val anonymousInitializerSymbolType = type("fir.symbols.impl", "FirAnonymousInitializerSymbol")
 
 val pureAbstractElementType = generatedType("FirPureAbstractElement")
 val effectDeclarationType = type("fir.contracts.description", "ConeEffectDeclaration")