[PATCH] bfd: Avoid signed overflow for new_size adjustment

[Alan Modra]

On Tue, Dec 06, 2022 at 01:01:42PM -0800, H.J. Lu wrote:
> This doesn't work for 32-bit program since
> 
>  sizeof (Elf32_External_Chdr) - sizeof (Elf64_External_Chdr);
> 
> is negative and will overflow.
> 
> We should use
> 
> *new_size -= sizeof (Elf64_External_Chdr) - sizeof (Elf32_External_Chdr);
> 
> instead.
> 
> OK for master?

Yes thanks.

-- 
Alan Modra
Australia Development Lab, IBM