From: Senthil Kumaran <senthil@uthcode.com>
Date: Wed, 19 Oct 2011 18:15:36 +0000 (+0800)
Subject: 3.2 - Fix Issue 12604 - Use a proper no-op macro expansion for VTRACE macro in _sre.c
X-Git-Tag: v3.3.0a1~993^2~50
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=202a3c422b400ee46c61cb9b22ca8ec4b80dfdfd;p=python

3.2 - Fix Issue 12604 - Use a proper no-op macro expansion for VTRACE macro in _sre.c
---

diff --git a/Modules/_sre.c b/Modules/_sre.c
index 2b764b11ca..a363de2beb 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 */