From 82b2362bc34686ac21f21b9b5623ea15242ee1d3 Mon Sep 17 00:00:00 2001
From: Kaspar Schleiser <kaspar@schleiser.de>
Date: Mon, 28 Jan 2019 17:14:16 +0100
Subject: [PATCH] core/msg: add assert for problem identified in #10881

---
 core/msg.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/core/msg.c b/core/msg.c
index a46875f16e..86ee0dd287 100644
--- a/core/msg.c
+++ b/core/msg.c
@@ -330,6 +330,7 @@ static int _msg_receive(msg_t *m, int block)
             thread_yield_higher();
 
             /* sender copied message */
+            assert(sched_active_thread->status != STATUS_RECEIVE_BLOCKED);
         }
         else {
             irq_restore(state);
-- 
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