PATCH: gh#17218 memory leak

Indeed, a variable's ref count was not getting decremented.

(cherry picked from commit 0463f3a19af7afac8b402655ad66e5b05c095bcc)

1 files changed, 1 insertions, 0 deletions

diff --git a/regcomp.c b/regcomp.c
index 88282081a8..ad52e70c2c 100644
--- a/regcomp.c
+++ b/regcomp.c
@@ -18159,6 +18159,7 @@ S_regclass(pTHX_ RExC_state_t *pRExC_state, I32 *flagp, U32 depth,
 
                 /* Likewise for 'posixes' */
                 _invlist_union(posixes, cp_list, &cp_list);
+                SvREFCNT_dec(posixes);
 
                 /* Likewise for anything else in the range that matched only
                  * under UTF-8 */