On Wed, Feb 03, 2021 at 12:58:12PM +0100, Martin Liška wrote:
> The patch is about filling a padding byte that is later
> streamed with memcpy.
>
> Patch can bootstrap on x86_64-linux-gnu and survives regression tests.
>
> Ready to be installed?
> Thanks,
> Martin
>
> gcc/ChangeLog:
>
> PR lto/98912
> * lto-streamer-out.c (produce_lto_section): Fill up missing
> padding.
> * lto-streamer.h (struct lto_section): Add _padding field.
LGTM, thanks.
> --- a/gcc/lto-streamer-out.c
> +++ b/gcc/lto-streamer-out.c
> @@ -2670,7 +2670,7 @@ produce_lto_section ()
> bool slim_object = flag_generate_lto && !flag_fat_lto_objects;
> lto_section s
> - = { LTO_major_version, LTO_minor_version, slim_object, 0 };
> + = { LTO_major_version, LTO_minor_version, slim_object, 0, 0 };
> s.set_compression (compression);
> lto_write_data (&s, sizeof s);
> lto_end_section ();
> diff --git a/gcc/lto-streamer.h b/gcc/lto-streamer.h
> index 7736ae77b8b..5c7cd84d46f 100644
> --- a/gcc/lto-streamer.h
> +++ b/gcc/lto-streamer.h
> @@ -369,6 +369,7 @@ struct lto_section
> int16_t major_version;
> int16_t minor_version;
> unsigned char slim_object;
> + unsigned char _padding;
> /* Flags is a private field that is not defined publicly. */
> uint16_t flags;
> --
> 2.30.0
Jakub
