From 0445b547be07a0271330de5f5d80d3f931f92a16 Mon Sep 17 00:00:00 2001
From: Max Neunhoeffer <max@arangodb.com>
Date: Fri, 28 Nov 2014 13:31:27 +0100
Subject: [PATCH] Fix a buffer overflow that did not have any effect.

---
 arangod/Aql/ExecutionBlock.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/arangod/Aql/ExecutionBlock.cpp b/arangod/Aql/ExecutionBlock.cpp
index 97d48a4fc8..7e9d8d5001 100644
--- a/arangod/Aql/ExecutionBlock.cpp
+++ b/arangod/Aql/ExecutionBlock.cpp
@@ -78,12 +78,14 @@ AggregatorGroup::~AggregatorGroup () {
 void AggregatorGroup::initialize (size_t capacity) {
   TRI_ASSERT(capacity > 0);
 
+  groupValues.clear();
+  collections.clear();
   groupValues.reserve(capacity);
   collections.reserve(capacity);
 
   for (size_t i = 0; i < capacity; ++i) {
-    groupValues[i] = AqlValue();
-    collections[i] = nullptr;
+    groupValues.emplace_back();
+    collections.push_back(nullptr);
   }
 }