https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110394
Xi Ruoyao <xry111 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |xry111 at gcc dot gnu.org
--- Comment #4 from Xi Ruoyao <xry111 at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #3)
> You can also try -fno-lifetime-dse to see if you get the behavior you were
> expecting too. Though I am not sure it will help extend the lifetime of the
> temporary here ...
>
>
> https://gcc.gnu.org/onlinedocs/gcc-13.1.0/gcc/Optimize-Options.html#index-
> flifetime-dse
-fstack-reuse=named_vars maybe needed as well. -flifetime-dse preserves the
stores outside of the lifetime, and -fstack-reuse=named_vars disallows reusing
the stack space of the temporary object for other objects.
