Workaround for a possible compiler bug in object literals

compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/Lower.kt

@@ -120,7 +120,11 @@ fun DeclarationContainerLoweringPass.runOnFilePostfix(irFile: IrFile) {
     this.lower(irFile as IrDeclarationContainer)
 }
 
-fun BodyLoweringPass.runOnFilePostfix(irFile: IrFile, withLocalDeclarations: Boolean = false, allowDeclarationModification: Boolean = false) {
+fun BodyLoweringPass.runOnFilePostfix(
+    irFile: IrFile,
+    withLocalDeclarations: Boolean = false,
+    allowDeclarationModification: Boolean = false
+) {
     ArrayList(irFile.declarations).forEach {
         it.accept(object : IrElementVisitor<Unit, IrDeclaration?> {
             override fun visitElement(element: IrElement, data: IrDeclaration?) {
@@ -198,7 +202,17 @@ fun DeclarationTransformer.toFileLoweringPass(): FileLoweringPass {
 fun DeclarationTransformer.runPostfix(withLocalDeclarations: Boolean = false): DeclarationTransformer {
     return object : DeclarationTransformer {
         override fun transformFlat(declaration: IrDeclaration): List<IrDeclaration>? {
-            declaration.acceptVoid(object : IrElementVisitorVoid {
+            declaration.acceptVoid(PostfixDeclarationTransformer(withLocalDeclarations, this@runPostfix))
+
+            return this@runPostfix.transformFlatRestricted(declaration)
+        }
+    }
+}
+
+private class PostfixDeclarationTransformer(
+    private val withLocalDeclarations: Boolean,
+    private val transformer: DeclarationTransformer
+) : IrElementVisitorVoid {
     override fun visitElement(element: IrElement) {
         element.acceptChildrenVoid(this)
     }
@@ -214,7 +228,7 @@ fun DeclarationTransformer.runPostfix(withLocalDeclarations: Boolean = false): D
         declaration.acceptChildrenVoid(this)
 
         for (v in declaration.valueParameters) {
-                        val result = this@runPostfix.transformFlatRestricted(v)
+            val result = transformer.transformFlatRestricted(v)
             if (result != null) error("Don't know how to add value parameters")
         }
     }
@@ -228,7 +242,7 @@ fun DeclarationTransformer.runPostfix(withLocalDeclarations: Boolean = false): D
 
             acceptVoid(visitor)
 
-                        val result = this@runPostfix.transformFlatRestricted(this)
+            val result = transformer.transformFlatRestricted(this)
             if (result != null) {
                 (parent as? IrDeclarationContainer)?.let {
                     var index = it.declarations.indexOf(this)
@@ -254,12 +268,12 @@ fun DeclarationTransformer.runPostfix(withLocalDeclarations: Boolean = false): D
         declaration.typeParameters.forEach { it.accept(this, null) }
         ArrayList(declaration.declarations).forEach { it.accept(this, null) }
 
-                    declaration.declarations.transformFlat(this@runPostfix::transformFlatRestricted)
+        declaration.declarations.transformFlat(transformer::transformFlatRestricted)
     }
 
     override fun visitScript(declaration: IrScript) {
         ArrayList(declaration.declarations).forEach { it.accept(this, null) }
-                    declaration.declarations.transformFlat(this@runPostfix::transformFlatRestricted)
+        declaration.declarations.transformFlat(transformer::transformFlatRestricted)
 
         if (withLocalDeclarations) {
             declaration.statements.forEach { it.accept(this, null) }
@@ -267,9 +281,4 @@ fun DeclarationTransformer.runPostfix(withLocalDeclarations: Boolean = false): D
 
         declaration.thisReceiver.accept(this, null)
     }
-            })
-
-            return this@runPostfix.transformFlatRestricted(declaration)
-        }
-    }
 }