.travis.yml: add clang ubsan job

We document this on our wiki and we might as well catch it in our CI
rather than waiting for it to be picked up on merge:

  https://wiki.qemu.org/Testing#clang_UBSan

Signed-off-by: Alex Bennée <[email protected]>
Reviewed-by: Philippe Mathieu-Daudé <[email protected]>
Tested-by: Philippe Mathieu-Daudé <[email protected]>

diff --git a/.travis.yml b/.travis.yml
index a6bb1f9f98e38424f36585c82939e08fd0583d5a..08502c0aa24e05f724abc5d60b61af6b37a72917 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -152,6 +152,13 @@ matrix:
       compiler: clang
 
 
+    - env:
+        - CONFIG="--target-list=${MAIN_SOFTMMU_TARGETS} "
+      compiler: clang
+      before_script:
+        - ./configure ${CONFIG} --extra-cflags="-fsanitize=undefined -Werror" || { cat config.log && exit 1; }
+
+
     - env:
         - CONFIG="--disable-user --target-list-exclude=${MAIN_SOFTMMU_TARGETS}"
       compiler: clang