[Bug fortran/121628] Use-after-free in compiler-generated assignment operators

[albert at tugraz dot at]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121628

--- Comment #20 from Christopher Albert <albert at tugraz dot at> ---
(In reply to Jerry DeLisle from comment #18)
> Christipher, since I pushed before seeing Haralds glitch can you post a
> patch here for:
> 
> program minimal_bug
>   implicit none
> 
>   type :: nested_t
>      type(nested_t),   allocatable :: children(:)
>      type(nested_t),   allocatable :: relatives(:)
>   end type nested_t
> 
>   type(nested_t) :: a
> 
> end
> 
> Which gives an ICE

Thanks Jerry, I couldn't believe how fast this was merged, so I see this
positive. I posted a patch here that should provide a fix together with
Harald's comments. Test suite is still finishing run, but it looks good so far.
Can you check if you agree with this solution?