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-rw-r--r--regcomp_internal.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/regcomp_internal.h b/regcomp_internal.h
index c273d2f70f..ff428bce33 100644
--- a/regcomp_internal.h
+++ b/regcomp_internal.h
@@ -1258,4 +1258,6 @@ static const scan_data_t zero_scan_data = {
#define REGNODE_STEP_OVER(ret,t1,t2) \
NEXT_OFF(REGNODE_p(ret)) = ((sizeof(t1)+sizeof(t2))/sizeof(regnode))
+#define VOLATILE_REF 1
+
#endif /* REGCOMP_INTERNAL_H */