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Date: Mon, 07 Nov 2011 14:11:00 -0000
From: Richard Guenther <rguenther@suse.de>
To: Eric Botcazou <ebotcazou@adacore.com>
Cc: gcc-patches@gcc.gnu.org,	"Joseph S. Myers" <joseph@codesourcery.com>
Subject: Re: [PATCH] Fix PR50999, serialize frontend specific flags (-fexceptions)
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On Mon, 7 Nov 2011, Richard Guenther wrote:

> On Mon, 7 Nov 2011, Eric Botcazou wrote:
> 
> > > This tries to find a way to prepend explicitly set command-line options
> > > by those implicitly set by the frontend (-fexceptions in this case).
> > > Unfortunately we don't seem to have a good way to extract this information
> > > easily, so for -fexceptions I hope all frontends set that during
> > > init_options_struct.
> > 
> > That's wrong for Ada: it is set in gnat_init_gcc_eh and cannot be set earlier 
> > because we support run time selection of the EH scheme.

Btw, I doubt the patch would break anything for Ada - it at most
adds -fexceptions, so if Ada doesn't set flag_exceptions in
init_options_struct then it is a no-op for Ada.

Richard.