From 046257e2c4dfa589b452a6d7b166561e87fa1061 Mon Sep 17 00:00:00 2001
From: Alexey Kudravtsev <cdr@intellij.com>
Date: Tue, 27 Mar 2012 18:50:30 +0400
Subject: [PATCH] cleanup LIst pool after compile

---
 .../impl/javaCompiler/api/CompAPIDriver.java        | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/java/compiler/impl/src/com/intellij/compiler/impl/javaCompiler/api/CompAPIDriver.java b/java/compiler/impl/src/com/intellij/compiler/impl/javaCompiler/api/CompAPIDriver.java
index 39d8996e296a..f4353c85a8e5 100644
--- a/java/compiler/impl/src/com/intellij/compiler/impl/javaCompiler/api/CompAPIDriver.java
+++ b/java/compiler/impl/src/com/intellij/compiler/impl/javaCompiler/api/CompAPIDriver.java
@@ -27,6 +27,7 @@ import javax.tools.*;
 import java.io.File;
 import java.io.IOException;
 import java.io.PrintWriter;
+import java.lang.reflect.Field;
 import java.net.URI;
 import java.util.List;
 import java.util.concurrent.BlockingQueue;
@@ -145,6 +146,18 @@ class CompAPIDriver {
     assert !processing;
     //assert myCompilationResults.isEmpty() : myCompilationResults;
     myCompilationResults.clear();
+    cleanupInternalFields();
+  }
+
+  private static void cleanupInternalFields() {
+    try {
+      Field freelist = Class.forName("com.sun.tools.javac.util.SharedNameTable").getDeclaredField("freelist");
+      freelist.setAccessible(true);
+      freelist.set(null, com.sun.tools.javac.util.List.nil());
+    }
+    catch (Exception ignored) {
+
+    }
   }
 
   public void offerClassFile(URI uri, byte[] bytes) {