From dd2238e1adbad560c8845b29918330b9487103d8 Mon Sep 17 00:00:00 2001
From: ToruNiina <niina.toru.68u@gmail.com>
Date: Thu, 20 Jun 2019 20:21:06 +0900
Subject: [PATCH] ci: change apt source on travis

clang 3.7 trusty version seems to be restricted. I don't know why, but
precise version seems to be working.
---
 .travis.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index a0bfbe7..276708b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -70,7 +70,7 @@ matrix:
       apt:
         sources:
         - ubuntu-toolchain-r-test
-        - llvm-toolchain-trusty-3.7
+        - llvm-toolchain-precise-3.7
         - sourceline: 'ppa:mhier/libboost-latest'
         packages:
         - clang-3.7