Move fields and init blocks of companions to their owners

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/IrAnonymousInitializer.kt

@@ -22,6 +22,7 @@ import org.jetbrains.kotlin.ir.symbols.IrAnonymousInitializerSymbol
 
 interface IrAnonymousInitializer : IrSymbolDeclaration<IrAnonymousInitializerSymbol> {
     override val descriptor: ClassDescriptor // TODO special descriptor for anonymous initializer blocks
+    val isStatic: Boolean
 
     var body: IrBlockBody
 }

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/IrDeclarationOrigin.kt

@@ -38,6 +38,10 @@ interface IrDeclarationOrigin {
     object IR_EXTERNAL_DECLARATION_STUB : IrDeclarationOriginImpl("IR_EXTERNAL_DECLARATION_STUB")
     object IR_BUILTINS_STUB : IrDeclarationOriginImpl("IR_BUILTINS_STUB")
     object BRIDGE : IrDeclarationOriginImpl("BRIDGE")
+
+    object FIELD_FOR_ENUM_ENTRY : IrDeclarationOriginImpl("FIELD_FOR_ENUM_ENTRY")
+    object FIELD_FOR_ENUM_VALUES : IrDeclarationOriginImpl("FIELD_FOR_ENUM_VALUES")
+    object FIELD_FOR_OBJECT_INSTANCE : IrDeclarationOriginImpl("FIELD_FOR_OBJECT_INSTANCE")
 }
 
 abstract class IrDeclarationOriginImpl(val name: String) : IrDeclarationOrigin {

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrAnonymousInitializerImpl.kt

@@ -29,7 +29,8 @@ class IrAnonymousInitializerImpl(
     startOffset: Int,
     endOffset: Int,
     origin: IrDeclarationOrigin,
-    override val symbol: IrAnonymousInitializerSymbol
+    override val symbol: IrAnonymousInitializerSymbol,
+    override val isStatic: Boolean = false
 ) : IrDeclarationBase(startOffset, endOffset, origin),
     IrAnonymousInitializer {
 
@@ -37,17 +38,19 @@ class IrAnonymousInitializerImpl(
         startOffset: Int,
         endOffset: Int,
         origin: IrDeclarationOrigin,
-        descriptor: ClassDescriptor
+        descriptor: ClassDescriptor,
+        isStatic: Boolean = false
     ) :
-            this(startOffset, endOffset, origin, IrAnonymousInitializerSymbolImpl(descriptor))
+            this(startOffset, endOffset, origin, IrAnonymousInitializerSymbolImpl(descriptor), isStatic)
 
     constructor(
         startOffset: Int,
         endOffset: Int,
         origin: IrDeclarationOrigin,
         descriptor: ClassDescriptor,
-        body: IrBlockBody
-    ) : this(startOffset, endOffset, origin, descriptor) {
+        body: IrBlockBody,
+        isStatic: Boolean = false
+    ) : this(startOffset, endOffset, origin, descriptor, isStatic) {
         this.body = body
     }