Bug 1594839 - Enable 'integer-divide-by-zero' UBSan check. r=froydnj

Differential Revision: https://phabricator.services.mozilla.com/D52218

--HG--
extra : moz-landing-system : lando

build/moz.configure/toolchain.configure

@@ -1485,6 +1485,7 @@ def ubsan(options):
     default_checks = [
         'bool',
         'bounds',
+        'integer-divide-by-zero',
         'vla-bound',
     ]