From 956e97b3fe770f5a4049c4db8a372cb01e9f351c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=A9a=20Saviot?= <lea.saviot@numworks.com>
Date: Tue, 9 Oct 2018 13:30:21 +0200
Subject: [PATCH] [poincare] Fix Store::shallowReduce

---
 poincare/src/store.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/poincare/src/store.cpp b/poincare/src/store.cpp
index a4497001f..63cae0785 100644
--- a/poincare/src/store.cpp
+++ b/poincare/src/store.cpp
@@ -54,9 +54,10 @@ Expression Store::shallowReduce(Context & context, Preferences::AngleUnit angleU
     Symbol xUnknown = Symbol(x, 1);
     finalValue = childAtIndex(0).replaceSymbolWithExpression(static_cast<Symbol &>(userDefinedUnknown), xUnknown);
   } else {
+    assert(symbol().type() == ExpressionNode::Type::Symbol);
     finalValue = childAtIndex(0);
   }
-  finalValue.deepReduce(context, angleUnit, false);
+  finalValue = finalValue.deepReduce(context, angleUnit, false);
   context.setExpressionForSymbol(finalValue, symbol(), context);
   Expression c1 = childAtIndex(1);
   replaceWithInPlace(c1);