1 files changed, 1 insertions, 0 deletions

diff --git a/.travis.yml b/.travis.yml
index 32d03a00d6..df68196ee5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -277,6 +277,7 @@ matrix:
     - name: uinversal.x86_64h-darwin17
     - name: -fsanitize=address
     - name: -fsanitize=memory
+    - name: -fsanitize=undefined
   fast_finish: true
 
 before_script: