[Bug middle-end/68034] Print warning when memset is optimized out

[crrodriguez at opensuse dot org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68034

Cristian Rodríguez <crrodriguez at opensuse dot org> changed:

           What    |Removed                     |Added
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                 CC|                            |crrodriguez at opensuse dot org

--- Comment #9 from Cristian Rodríguez <crrodriguez at opensuse dot org> ---
(In reply to Xi Ruoyao from comment #7)
> IMO having [[gnu::access (write_only, 1)]] for memset_explicit is enough for
> the compiler to know it's unneeded to write the sensitive data into memory
> before memset_explicit?

Glibc already does this.. but will the compiler actually avoid such write
today?