From c30faa812c507c94d744419bce7c497f1a283d95 Mon Sep 17 00:00:00 2001
From: "Andrew M. Kuchling" <amk@amk.ca>
Date: Thu, 2 Jun 2005 13:35:52 +0000
Subject: [Bug #1177831] Fix generation of code for GROUPREF_EXISTS.  Thanks to
 Andre Malo for the fix.

---
 Lib/sre_compile.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Lib/sre_compile.py b/Lib/sre_compile.py
index d3eb3c1..1d448da 100644
--- a/Lib/sre_compile.py
+++ b/Lib/sre_compile.py
@@ -167,7 +167,7 @@ def _compile(code, pattern, flags):
             emit(av-1)
         elif op is GROUPREF_EXISTS:
             emit(OPCODES[op])
-            emit((av[0]-1)*2)
+            emit(av[0]-1)
             skipyes = _len(code); emit(0)
             _compile(code, av[1], flags)
             if av[2]:
-- 
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