shyouhei	2018-04-09 12:24:21 +0900 (Mon, 09 Apr 2018)

  New Revision: 63124

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=63124

  Log:
    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

  Modified files:
    trunk/thread_sync.c
Index: thread_sync.c
===================================================================
--- thread_sync.c	(revision 63123)
+++ thread_sync.c	(revision 63124)
@@ -1459,7 +1459,8 @@ rb_thread_sync_reset_all(void) https://github.com/ruby/ruby/blob/trunk/thread_sync.c#L1459
         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;

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