Index: modcargo-crates/v8-149.2.0/build/config/sanitizers/sanitizers.gni
--- modcargo-crates/v8-149.2.0/build/config/sanitizers/sanitizers.gni.orig
+++ modcargo-crates/v8-149.2.0/build/config/sanitizers/sanitizers.gni
@@ -540,7 +540,7 @@ template("ubsan_hardening") {
         # be usable even in release builds, i.e. as widely as possible.
         # It's important not to have full-on UBSan workarounds activate
         # just because we built support for a specific sanitizer.
-        "-fsanitize-ignore-for-ubsan-feature=${invoker.sanitizer}",
+        #"-fsanitize-ignore-for-ubsan-feature=${invoker.sanitizer}",
       ]
       if (defined(invoker.cflags)) {
         cflags += invoker.cflags
