https://git.ruby-lang.org/ruby.git/commit/?id=6b2fc33ae2

From 6b2fc33ae231594eb69f93c493e2c314931b0990 Mon Sep 17 00:00:00 2001
From: Jean Boussier <jean.boussier@g...>
Date: Thu, 4 Aug 2022 10:37:46 +0200
Subject: thread_sync.c: pass proper argument to queue_sleep in rb_szqueue_push

When I removed the SizeQueue#push timeout from my PR, I forgot to
update the `queue_sleep` parameters to be a `queue_sleep_arg`.

Somehow this worked on most archs, but on Solaris/Sparc it would
legitimately crash when trying to access the `timeout` and `end`
members of the struct.
---
 thread_sync.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/thread_sync.c b/thread_sync.c
index 1a0f3ee855..0359ac2214 100644
--- a/thread_sync.c
+++ b/thread_sync.c
@@ -1277,7 +1277,13 @@ rb_szqueue_push(int argc, VALUE *argv, VALUE self) https://github.com/ruby/ruby/blob/trunk/thread_sync.c#L1277
             ccan_list_add_tail(pushq, &queue_waiter.w.node);
             sq->num_waiting_push++;
 
-            rb_ensure(queue_sleep, self, szqueue_sleep_done, (VALUE)&queue_waiter);
+            struct queue_sleep_arg queue_sleep_arg = {
+                .self = self,
+                .timeout = Qnil,
+                .end = 0
+            };
+
+            rb_ensure(queue_sleep, (VALUE)&queue_sleep_arg, szqueue_sleep_done, (VALUE)&queue_waiter);
         }
     }
 
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