#2834: Change re module semantics, so that str and bytes mixing is forbidden,
and str (unicode) patterns get full unicode matching by default. The re.ASCII
flag is also introduced to ask for ASCII matching instead.
diff --git a/Modules/sre.h b/Modules/sre.h
index d4af05c..518c11d 100644
--- a/Modules/sre.h
+++ b/Modules/sre.h
@@ -30,6 +30,7 @@
PyObject* pattern; /* pattern source (or None) */
int flags; /* flags used when compiling pattern source */
PyObject *weakreflist; /* List of weak references */
+ int charsize; /* pattern charsize (or -1) */
/* pattern code */
Py_ssize_t codesize;
SRE_CODE code[1];