On Tue, 5 Dec 2023, Jakub Jelinek wrote:

> Hi!
> 
> On IRC Iain mentioned bootstrap is broken for him presumably since
> r14-5791 -fhardened addition.  I think it is only a problem with
> --enable-default-pie when the case OPT_pie: wants to fall through
> into case OPT_r: and warns.
> Before the patch validated = true; was set up if ENABLE_DEFAULT_PIE
> for OPT_pie, and for -fhardened as documented I think we want to
> set any_link_options_p = true; for it too:
> /* True if -r, -shared, -pie, or -no-pie were specified on the command
>    line.  */
> static bool any_link_options_p;
> 
> Ok for trunk if it passes bootstrap/regtest?

OK.

> 2023-12-05  Jakub Jelinek  <ja...@redhat.com>
> 
>       * gcc.cc (driver_handle_option): Add /* FALLTHROUGH */ comment
>       between OPT_pie and OPT_r cases.
> 
> --- gcc/gcc.cc.jj     2023-12-01 08:10:43.272316590 +0100
> +++ gcc/gcc.cc        2023-12-05 11:47:54.046202161 +0100
> @@ -4617,6 +4617,7 @@ driver_handle_option (struct gcc_options
>        /* -pie is turned on by default.  */
>        validated = true;
>  #endif
> +      /* FALLTHROUGH */
>      case OPT_r:
>      case OPT_shared:
>      case OPT_no_pie:
> 
>       Jakub
> 
> 

-- 
Richard Biener <rguent...@suse.de>
SUSE Software Solutions Germany GmbH,
Frankenstrasse 146, 90461 Nuernberg, Germany;
GF: Ivo Totev, Andrew McDonald, Werner Knoblich; (HRB 36809, AG Nuernberg)

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