From f4944d80b9d5ca938887e4743ea1c92103d2cd4c Mon Sep 17 00:00:00 2001
From: Mikhail Zarechenskiy <mikhail.zarechenskiy@jetbrains.com>
Date: Mon, 20 Jun 2022 14:07:04 +0200
Subject: [PATCH] [DI] Do not recreate collections in case of empty results

 ^KT-52756
---
 .../src/org/jetbrains/kotlin/container/Singletons.kt     | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/compiler/container/src/org/jetbrains/kotlin/container/Singletons.kt b/compiler/container/src/org/jetbrains/kotlin/container/Singletons.kt
index 54a4cae892e..ce7476b64c2 100644
--- a/compiler/container/src/org/jetbrains/kotlin/container/Singletons.kt
+++ b/compiler/container/src/org/jetbrains/kotlin/container/Singletons.kt
@@ -139,7 +139,14 @@ open class SingletonTypeComponentDescriptor(container: ComponentContainer, val k
 
     override fun getDependencies(context: ValueResolveContext): Collection<Type> {
         val classInfo = klass.getInfo()
-        return classInfo.constructorInfo?.parameters.orEmpty() + classInfo.setterInfos.flatMap { it.parameters }
+        val constructorParameters = classInfo.constructorInfo?.parameters.orEmpty()
+        val setterInfos = classInfo.setterInfos
+
+        // In most cases, setterInfos is empty (KT-52756)
+        return if (setterInfos.isEmpty())
+            constructorParameters
+        else
+            constructorParameters + setterInfos.flatMap { it.parameters }
     }
 
     override fun toString(): String = "Singleton: ${klass.simpleName}"