From 9efc0ec40da2cc931b81b9254323fbd84f5c7621 Mon Sep 17 00:00:00 2001
From: Benoit Blanchon <github@benoitblanchon.fr>
Date: Tue, 2 May 2017 21:32:19 +0200
Subject: [PATCH] Travis: Added GCC 6

---
 .travis.yml                  | 6 ++++++
 test/JsonVariant/printTo.cpp | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index 3857aa35..e14da707 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -44,6 +44,12 @@ matrix:
           sources: ['ubuntu-toolchain-r-test']
           packages: ['g++-5']
       env: SCRIPT=cmake GCC=5 SANITIZE=undefined
+    - compiler: gcc
+      addons:
+        apt:
+          sources: ['ubuntu-toolchain-r-test']
+          packages: ['g++-6']
+      env: SCRIPT=cmake GCC=6
     - compiler: clang
       env: SCRIPT=cmake
     - compiler: clang
diff --git a/test/JsonVariant/printTo.cpp b/test/JsonVariant/printTo.cpp
index 454b3ed8..30aacd46 100644
--- a/test/JsonVariant/printTo.cpp
+++ b/test/JsonVariant/printTo.cpp
@@ -103,7 +103,7 @@ TEST_CASE("JsonVariant::printTo()") {
   }
 
   SECTION("UInt64") {
-    check(18446744073709551615, "18446744073709551615");
+    check(18446744073709551615U, "18446744073709551615");
   }
 #endif
 }