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-rw-r--r--Modules/_sre.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/Modules/_sre.c b/Modules/_sre.c
index 395a120..56f35c3 100644
--- a/Modules/_sre.c
+++ b/Modules/_sre.c
@@ -2730,7 +2730,7 @@ _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 */