[Bug target/94158] Expanded strlen causes out-of-bounds read on AMD64 target

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94158

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |RESOLVED
         Resolution|---                         |INVALID

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Parker Thompson from comment #3)
> As for alloc alignment, glibc strdup() does not use aligned_alloc, just
> malloc.  Which by my read of the spec does not guarantee alignment.

malloc requires alignement of alignof(max_align_t) (definition in the newest C
and C++ standards) but beforehand it was required to be aligned enough to
support all standard types.