Mac: actually link in sanitizer options

- We need `-u` and not `-U` to actually pull these in from the archive
- The symbol needs two leading underscores

This might do something unexpected on ASAN since we'll now be pulling
in default options that we weren't previously.

Bug: 1320449
Change-Id: I1e41b08736271945ae272c3a9e42e944d1714d7d
Reviewed-by: Nico Weber <>
Commit-Queue: Nico Weber <>
Cr-Commit-Position: refs/heads/main@{#997349}
GitOrigin-RevId: 48f7037650e2eac3fa5e812072c9496368ff1f61
1 file changed