From 7f4e76424d6d70bb6de18494790d9da5d4fd82e2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=A9a=20Saviot?= <lea.saviot@numworks.com>
Date: Mon, 17 Sep 2018 11:45:06 +0200
Subject: [PATCH] [poincare] Fix Ceiling::shallowReduce that added
 uninitialized nodes

---
 poincare/src/ceiling.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/poincare/src/ceiling.cpp b/poincare/src/ceiling.cpp
index c20e87d53..8c8964843 100644
--- a/poincare/src/ceiling.cpp
+++ b/poincare/src/ceiling.cpp
@@ -54,8 +54,11 @@ Expression Ceiling::shallowReduce(Context & context, Preferences::AngleUnit angl
     if (s.name() == Ion::Charset::Exponential) {
       result = Rational(3);
     }
-    replaceWithInPlace(result);
-    return result;
+    if (!result.isUninitialized()) {
+      replaceWithInPlace(result);
+      return result;
+    }
+    return *this;
   }
   if (c.type() != ExpressionNode::Type::Rational) {
     return *this;