From 6bc4e124fbf66b9a57fe6aea165aece0b6bbcbb7 Mon Sep 17 00:00:00 2001
From: Mads Ager <ager@google.com>
Date: Fri, 7 May 2021 09:13:04 +0200
Subject: [PATCH] [JVM_IR] Guard against infinite recursion in
 JvmIrCodegenFactory.

Fixed KTIJ-11580.
---
 .../org/jetbrains/kotlin/backend/jvm/JvmIrCodegenFactory.kt    | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/compiler/ir/backend.jvm/entrypoint/src/org/jetbrains/kotlin/backend/jvm/JvmIrCodegenFactory.kt b/compiler/ir/backend.jvm/entrypoint/src/org/jetbrains/kotlin/backend/jvm/JvmIrCodegenFactory.kt
index f289ae20f93..6a13e39b3b5 100644
--- a/compiler/ir/backend.jvm/entrypoint/src/org/jetbrains/kotlin/backend/jvm/JvmIrCodegenFactory.kt
+++ b/compiler/ir/backend.jvm/entrypoint/src/org/jetbrains/kotlin/backend/jvm/JvmIrCodegenFactory.kt
@@ -171,8 +171,7 @@ open class JvmIrCodegenFactory(
         val result = LinkedHashSet<ModuleDescriptor>()
         fun collectImpl(descriptor: ModuleDescriptor) {
             val dependencies = descriptor.allDependencyModules
-            dependencies.forEach { if (it !in result) collectImpl(it) }
-            result += dependencies
+            dependencies.forEach { if (result.add(it)) collectImpl(it) }
         }
         collectImpl(this)
         return result.toList()