From a69e27b769db7e74981ac73029cb2cac66b8a6a1 Mon Sep 17 00:00:00 2001
From: Matthias Koefferlein <matthias@koefferlein.de>
Date: Mon, 18 Feb 2019 23:44:14 +0100
Subject: [PATCH] Clean up resources in DRC.

---
 src/drc/drc/built-in-macros/drc.lym | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/drc/drc/built-in-macros/drc.lym b/src/drc/drc/built-in-macros/drc.lym
index cd7d2b3a7..95ae80c99 100644
--- a/src/drc/drc/built-in-macros/drc.lym
+++ b/src/drc/drc/built-in-macros/drc.lym
@@ -4717,8 +4717,12 @@ CODE
       @output_layout_file = nil
       @output_cell = nil
       @output_rdb_file = nil
+      @output_rdb_cell = nil
       @output_rdb = nil
       @output_rdb_index = nil
+
+      # clean up temp data
+      @dss &amp;&amp; @dss._destroy
       
       if final &amp;&amp; @log_file
         @log_file.close