From 350dafd56a9cff58d36303aeb7515ab41c5dbbb3 Mon Sep 17 00:00:00 2001
From: Koichi Sasada <ko1@atdot.net>
Date: Mon, 13 Jan 2020 03:36:47 +0900
Subject: reload AR table body for transient heap.

ar_talbe (Hash representation for <=8 size) can use transient heap
and the memory area can move. So we need to restore `pair' ptr after
`func` call (which can run any programs) because of moving.
---
 hash.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hash.c b/hash.c
index 878f2b1790..644f85d6da 100644
--- a/hash.c
+++ b/hash.c
@@ -974,6 +974,7 @@ ar_foreach_check(VALUE hash, st_foreach_check_callback_func *func, st_data_t arg
 
             switch (retval) {
               case ST_CHECK: {
+                  pair = RHASH_AR_TABLE_REF(hash, i);
                   if (pair->key == never) break;
                   ret = ar_find_entry_hint(hash, hint, key);
                   if (ret == RHASH_AR_TABLE_MAX_BOUND) {
-- 
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