From 259587da7f36421e271826bf0b9efc87520cf491 Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@gmail.com>
Date: Fri, 11 Oct 2019 21:34:55 +0300
Subject: [PATCH] Add clang-9 to Travis

---
 .travis.yml | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index e60cf20..4f49868 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -241,6 +241,19 @@ matrix:
             - ubuntu-toolchain-r-test
             - llvm-toolchain-trusty-8
 
+    - os: linux
+      dist: xenial
+      compiler: clang++-9
+      env: TOOLSET=clang COMPILER=clang++-9 CXXSTD=03,11,14,17,2a
+      addons:
+        apt:
+          packages:
+            - clang-9
+          sources:
+            - ubuntu-toolchain-r-test
+            - sourceline: 'deb https://apt.llvm.org/xenial/ llvm-toolchain-xenial-9 main'
+              key_url: 'https://apt.llvm.org/llvm-snapshot.gpg.key'
+
     - os: linux
       compiler: clang++-6.0
       env: UBSAN=1 TOOLSET=clang COMPILER=clang++-6.0 CXXSTD=03,11,14,1z UBSAN_OPTIONS=print_stacktrace=1