From 5f4d538b2abfd1ab3f495879996edaa004309623 Mon Sep 17 00:00:00 2001
From: Sverker Eriksson <sverker@erlang.org>
Date: Thu, 5 Jan 2017 20:06:04 +0100
Subject: erts: Assert sufficient space need after GC

---
 erts/emulator/beam/erl_gc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c
index af799d09da..50f09277fa 100644
--- a/erts/emulator/beam/erl_gc.c
+++ b/erts/emulator/beam/erl_gc.c
@@ -765,6 +765,7 @@ do_major_collection:
 
     ASSERT(!p->mbuf);
     ASSERT(!ERTS_IS_GC_DESIRED(p));
+    ASSERT(need <= HEAP_LIMIT(p) - HEAP_TOP(p));
 
     return reds;
 }
-- 
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