[Bug tree-optimization/116570] Write without read optimization is not applied to custom malloc/free even when marked as such

[uis9936 at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116570

--- Comment #1 from uis <uis9936 at gmail dot com> ---
Maybe I need some attribute to mark returned pointer as not potentially being
memory-mapped file?