https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68016
Reid Kleckner <rnk at google dot com> changed:
What |Removed |Added
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CC| |rnk at google dot com
--- Comment #5 from Reid Kleckner <rnk at google dot com> ---
(In reply to Maxim Ostapenko from comment #4)
> This happens because in LLVM case ASan changes symbols size ('f' in our
> case) and just breaks ABI for the library. Relinking binary each time we
> replace non-sanitized library with sanitized one is undesirable for large
> package oriented systems (e.g. distributives), so we need a general solution
> for the problem.
Can you elaborate as to why changing the size of a visible global in a shared
lib is an ABI break with ELF? That's surprising to me, and my searches haven't
helped me understand.
