[Bug d/99337] Sanitizer detect heap-buffer-overflow in checkModFileAlias

[zeccav at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99337

--- Comment #1 from Vittorio Zecca <zeccav at gmail dot com> ---
This issue was found with the address sanitizer, while issues in bug
63426 were found with the undefined behavior sanitizer.