https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119070
--- Comment #7 from Taylor Hutt <taylor.hutt at broadcom dot com> ---
(In reply to Andrew Pinski from comment #6)
> You could do:
>
> struct_1 *v1 = &global_0.f_2_0;
> asm("":"+r"(v1));
> unsigned char *v2 = (unsigned char *)v1;
>
> to hide from GCC that the address of v2 is related to a global variable.
> And that should get rid of the warning too.
>
> But otherwise this is undefined code.
Why not cast the pointer to uintptr_t at the point of the undefined behavior
pointer arithmetic?
