In pp_sort, ensure that @_ is freed correctly.

Before this, if @_ had become AvREAL(), it retains reference on its elements.

1 files changed, 3 insertions, 3 deletions

diff --git a/pp_sort.c b/pp_sort.c
index 51cf216a62..48d4273e23 100644
--- a/pp_sort.c
+++ b/pp_sort.c
@@ -1678,9 +1678,9 @@ PP(pp_sort)
 		    sort_flags);
 
 	    if (!(flags & OPf_SPECIAL)) {
-		LEAVESUB(cv);
-		if (!is_xsub)
-		    CvDEPTH(cv)--;
+		SV *sv;
+		POPSUB(cx, sv);
+		LEAVESUB(sv);
 	    }
 	    POPBLOCK(cx,PL_curpm);
 	    PL_stack_sp = newsp;