From 74685899cb90a951b3fb43f12d3896fef6a6f039 Mon Sep 17 00:00:00 2001
From: David Adam <zanchey@ucc.gu.uwa.edu.au>
Date: Tue, 5 Feb 2019 13:37:01 +0800
Subject: [PATCH] travis: turn on UBsan

Closes #2852.
---
 .travis.yml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index e27a47156..53bd075f7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -42,7 +42,9 @@ matrix:
     - os: linux
       compiler: clang
       env:
-          - CXXFLAGS="-g -O2 -fno-omit-frame-pointer -fsanitize=address" ASAN_OPTIONS=check_initialization_order=1:detect_stack_use_after_return=1:detect_leaks=1
+          - CXXFLAGS="-g -O2 -fno-omit-frame-pointer -fsanitize=undefined -fsanitize=address"
+          - ASAN_OPTIONS=check_initialization_order=1:detect_stack_use_after_return=1:detect_leaks=1
+          - UBSAN_OPTIONS=print_stacktrace=1:report_error_type=1
       before_install: export CXX=clang++-3.8
       addons:
         apt: