On Fri, Oct 26, 2012 at 11:22:54AM +0200, Martin Jambor wrote:
> the following patch fixes PR 54971 by creating extra
> for-debug-statements-only declarations for parts of aggregates that
> are never read and then creates debug bind statements so that the
> value of the non-used part is accessible from debug info.
>
> Bootstrapped and tested on x86_64-linux without any problems, OK for
> trunk?
Ok, thanks.
I'll as a follow up add a testcase.
> 2012-10-25 Martin Jambor <mjam...@suse.cz>
>
> PR debug/54971
> * tree-sra.c (struct access): New flag grp_to_be_debug_replaced.
> (dump_access): Dump the new flag.
> (analyze_access_subtree): Set the new flag when appropriate.
> (build_debug_ref_for_model): New function.
> (create_access_replacement): Handle debug replacements differently.
> (generate_subtree_copies): Handle the grp_to_be_debug_replaced flag.
> (init_subtree_with_zero): Likewise.
> (sra_modify_expr): Likewise.
> (load_assign_lhs_subreplacements): Likewise.
> (sra_modify_assign): Likewise.
Jakub
