Reuse match data

* string.c (rb_str_split_m): reuse occupied match data.  [Bug #16024]

1 files changed, 6 insertions, 0 deletions

diff --git a/re.c b/re.c
index 969c1ec7b4..6fd4fde7f8 100644
--- a/re.c
+++ b/re.c
@@ -1292,6 +1292,12 @@ rb_match_busy(VALUE match)
     FL_SET(match, MATCH_BUSY);
 }
 
+void
+rb_match_unbusy(VALUE match)
+{
+    FL_UNSET(match, MATCH_BUSY);
+}
+
 int
 rb_match_count(VALUE match)
 {