From 85e9f2879373aa496c5c3c7f900ba4869a9ca3f7 Mon Sep 17 00:00:00 2001
From: shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 9 Apr 2018 03:24:21 +0000
Subject: [PATCH] offsetof(type, foo.bar) is (arguably) a GCCism

clang -Wextended-offsetof warns this line.
CF: http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2031.htm


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63124 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 thread_sync.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/thread_sync.c b/thread_sync.c
index 705fdb942d..b592104ae8 100644
--- a/thread_sync.c
+++ b/thread_sync.c
@@ -1459,7 +1459,8 @@ rb_thread_sync_reset_all(void)
         list_head_init(queue_waitq(q));
         q->num_waiting = 0;
     }
-    list_for_each(&szqueue_list, sq, q.live) {
+    list_for_each(&szqueue_list, q, live) {
+        sq = container_of(q, struct rb_szqueue, q);
         list_head_init(szqueue_waitq(sq));
         list_head_init(szqueue_pushq(sq));
         sq->num_waiting_push = 0;