From 202a3c422b400ee46c61cb9b22ca8ec4b80dfdfd Mon Sep 17 00:00:00 2001
From: Senthil Kumaran <senthil@uthcode.com>
Date: Thu, 20 Oct 2011 02:15:36 +0800
Subject: [PATCH] 3.2 - Fix Issue 12604 - Use a proper no-op macro expansion
 for VTRACE macro in _sre.c

---
 Modules/_sre.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Modules/_sre.c b/Modules/_sre.c
index 2b764b11cad..a363de2beb9 100644
--- a/Modules/_sre.c
+++ b/Modules/_sre.c
@@ -2760,7 +2760,7 @@ _compile(PyObject* self_, PyObject* args)
 #if defined(VVERBOSE)
 #define VTRACE(v) printf v
 #else
-#define VTRACE(v)
+#define VTRACE(v) do {} while(0)  /* do nothing */
 #endif
 
 /* Report failure */