[PATCH] readelf: Add -C/--demangle option.

[Alan Modra]

On Sun, Aug 02, 2020 at 03:04:10PM -0700, Fangrui Song via Binutils wrote:
> 	PR binutils/26331
> 	* readelf.c (print_symbol): Handle -C.
> 	(options): Add -C/--demangle option.
> 	(parse_args): Handle the option.
> 	* doc/binutils.texi: Document the -C option to readelf.
> 	* NEWS: Mention the new feature.

OK, but..

> +  if (do_demangle)
> +    {
> +      alloc = cplus_demangle (symbol, demangle_flags);
> +      if (alloc != NULL)
> +	symbol = alloc;
> +    }

this needs to go a little later, past the "return 0;" to avoid a
potential memory leak.

-- 
Alan Modra
Australia Development Lab, IBM