Hello, On Thu, Nov 23 2023, Jonathan Wakely wrote: > On Thu, 23 Nov 2023 at 15:34, Jan Hubicka <hubi...@ucw.cz> wrote: >>
[...] >> >> I also wonder, if default operator new and malloc can be handled as not >> reading/modifying anything visible to the user code. > > No, there's no way to know if the default operator new is being used. > A replacement operator new could be provided at link-time. > > That's why we need -fsane-operator-new > Would it make sense to add -fsane-operator-new to -Ofast? Martin