From 53ab10a645f5d28bf2f0608263c6252d63f7d6a2 Mon Sep 17 00:00:00 2001
From: Keith Winstein <keithw@mit.edu>
Date: Wed, 14 Mar 2012 01:26:11 -0400
Subject: [PATCH] Optimize ConditionalOverlayCell::reset_with_orig() (52%
 speedup!)

---
 src/frontend/terminaloverlay.h | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/frontend/terminaloverlay.h b/src/frontend/terminaloverlay.h
index 87c4346..93c29d7 100644
--- a/src/frontend/terminaloverlay.h
+++ b/src/frontend/terminaloverlay.h
@@ -103,10 +103,8 @@ namespace Overlay {
 	return;
       }
 
-      vector<Cell> new_orig( original_contents );
-      new_orig.push_back( replacement );
-      reset();
-      original_contents = new_orig;
+      original_contents.push_back( replacement );
+      ConditionalOverlay::reset();
     }
   };