From b4006f2b7a6dd8357f8f87bb3cad606078dfa9d7 Mon Sep 17 00:00:00 2001
From: dkorpel <dkorpel@gmail.com>
Date: Fri, 16 Jul 2021 00:45:23 +0200
Subject: [PATCH] Fix issue 22124 - Corrupted closure when compiling with
 -preview=dip1000

---
 src/core/thread/osthread.d | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/core/thread/osthread.d b/src/core/thread/osthread.d
index 2915225865..93bd56a522 100644
--- a/src/core/thread/osthread.d
+++ b/src/core/thread/osthread.d
@@ -1143,6 +1143,18 @@ unittest
     thr.join();
 }
 
+// https://issues.dlang.org/show_bug.cgi?id=22124
+unittest
+{
+    Thread thread = new Thread({});
+    auto fun(Thread t, int x)
+    {
+        t.__ctor({x = 3;});
+        return t;
+    }
+    static assert(!__traits(compiles, () @nogc => fun(thread, 3) ));
+}
+
 unittest
 {
     import core.sync.semaphore;