From e064eec319355d9f2738e6154ed263f2323bcdcf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=A9a=20Saviot?= <lea.saviot@numworks.com>
Date: Wed, 25 Jul 2018 17:03:13 +0200
Subject: [PATCH] [poincare] Escape trivial case

---
 poincare/include/poincare/tree_reference.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/poincare/include/poincare/tree_reference.h b/poincare/include/poincare/tree_reference.h
index e024fb220..d04eceff6 100644
--- a/poincare/include/poincare/tree_reference.h
+++ b/poincare/include/poincare/tree_reference.h
@@ -197,6 +197,9 @@ public:
   }
 
   void replaceWithAllocationFailure() {
+    if (isAllocationFailure()) {
+      return;
+    }
     assert(isDefined());
     TreeReference<TreeNode> p = parent();
     bool hasParent = p.isDefined();