[Bug middle-end/110055] Dangling pointer warning inside std::vector on RISC-V

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110055

--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #3)
> >  C.0 ={v} {CLOBBER(eol)};
> 
> 
> Should never have been emitted from the gimplifier.
> 
> 
> Confirmed, I have not reduced the testcase yet.
> But I can also confirm it on aarch64-linux-gnu with -O3 -mstrict-align
> -fno-exceptions .

So what is happening is we emitting the clobber and then changing it to be a
static variable.

This part happens even for x86_64 though the memcpy here can be removed.


      C.0 = {CLOBBER(eol)};