From 3d6da9104cd761eca9642c40f9e52dd9875a004d Mon Sep 17 00:00:00 2001
From: Valentin Kipyatkov <valentin@jetbrains.com>
Date: Tue, 21 Oct 2014 13:02:36 +0400
Subject: [PATCH] J2K: memory optimization

---
 j2k/src/org/jetbrains/jet/j2k/JavaToKotlinConverter.kt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/j2k/src/org/jetbrains/jet/j2k/JavaToKotlinConverter.kt b/j2k/src/org/jetbrains/jet/j2k/JavaToKotlinConverter.kt
index dc6143b080c..b702ac2c544 100644
--- a/j2k/src/org/jetbrains/jet/j2k/JavaToKotlinConverter.kt
+++ b/j2k/src/org/jetbrains/jet/j2k/JavaToKotlinConverter.kt
@@ -59,8 +59,9 @@ public class JavaToKotlinConverter(private val project: Project,
             }
 
             val results = ArrayList<String>(psiElementsAndProcessors.size)
-            for (result in intermediateResults) {
+            for ((i, result) in intermediateResults.withIndices()) {
                 results.add(result?.finishConversion(usageProcessings) ?: "")
+                intermediateResults[i] = null // to not hold unused objects in the heap
             }
 
             val finalResults = ArrayList<String>(psiElementsAndProcessors.size)