From ca23554528267b60026f6c2ce27b6eb1316d6881 Mon Sep 17 00:00:00 2001
From: "Salvador E. Tropea" <salvador@inti.gob.ar>
Date: Mon, 3 Jul 2017 13:21:20 -0300
Subject: [PATCH] Excluded $_TBUF_ from opt_merge pass

---
 passes/opt/opt_merge.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/passes/opt/opt_merge.cc b/passes/opt/opt_merge.cc
index b46b4bf4b..93d9f012f 100644
--- a/passes/opt/opt_merge.cc
+++ b/passes/opt/opt_merge.cc
@@ -276,6 +276,7 @@ struct OptMergeWorker
 		}
 
 		ct.cell_types.erase("$tribuf");
+		ct.cell_types.erase("$_TBUF_");
 		ct.cell_types.erase("$anyseq");
 		ct.cell_types.erase("$anyconst");