UBSAN?

Author: ndossche

.github/actions/configure-macos/action.yml

@@ -28,7 +28,7 @@ runs:
           --enable-opcache \
           --enable-phar \
           --enable-exif \
-          --enable-address-sanitizer \
+          --enable-undefined-sanitizer \
           --enable-sysvsem \
           --enable-sysvshm \
           --enable-shmop \