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Re: [Ada] fix -feliminate-unused-debug-types counter-measure


On Wed, 29 Feb 2012, Eric Botcazou wrote:

> -feliminate-unused-debug-types will be enabled for Ada as well in GCC 4.7 and 
> we have implemented a counter-measure to be able to retain apparently unused 
> types in a few specific cases.  But it was inadvertently broken some time ago.
> 
> Fixed thusly, tested on i586-suse-linux, applied on the mainline.
> 
> 
> I'd like to also apply the following patch:
>   http://gcc.gnu.org/ml/gcc-patches/2012-02/msg01349.html
> which fixes debug info regressions introduced by the simultaneous introduction 
> of DW_AT_GNAT_descriptive_type and -feliminate-unused-debug-types in Ada.  It 
> only affects the Ada compiler since only GNAT uses DW_AT_GNAT_descriptive_type 
> and sets TYPE_ARTIFICIAL on its types.  OK?

Ok.

Thanks,
Richard.

> 
> 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
> 
> 	* gcc-interface/utils.c (gnat_write_global_declarations): Make sure the
> 	dummy global built for global types is preserved.
> 
> 
> 

-- 
Richard Guenther <rguenther@suse.de>
SUSE / SUSE Labs
SUSE LINUX Products GmbH - Nuernberg - AG Nuernberg - HRB 16746
GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer

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