1 files changed, 6 insertions, 0 deletions
diff --git a/perly.c b/perly.c
index 36b51c02e7..d03d3dee98 100644
--- a/perly.c
+++ b/perly.c
@@ -1386,6 +1386,9 @@ yyparse()
 #endif
 
     struct ysv *ysave;
+#ifdef USE_ITHREADS
+    ENTER;			/* force yydestruct() before we return */
+#endif
     New(73, ysave, 1, struct ysv);
     SAVEDESTRUCTOR_X(yydestruct, ysave);
     ysave->oldyydebug	= yydebug;
@@ -2477,6 +2480,9 @@ yyoverflow:
 yyabort:
     retval = 1;
 yyaccept:
+#ifdef USE_ITHREADS
+    LEAVE;			/* force yydestruct() before we return */
+#endif
     return retval;
 }