------- Comment #5 from dodji at gcc dot gnu dot org 2010-05-28 00:39 -------
Subject: Re: [4.6 Regression] Failed to bootstrap
"hjl dot tools at gmail dot com" <gcc-bugzi...@gcc.gnu.org> writes:
> ------- Comment #3 from hjl dot tools at gmail dot com 2010-05-27 23:01
> -------
> This one avoids one extra is_naming_typedef_decl call:
>
> ---
> Index: dwarf2out.c
> ===================================================================
> --- dwarf2out.c (revision 159943)
> +++ dwarf2out.c (working copy)
> @@ -19401,6 +19401,7 @@ gen_typedef_die (tree decl, dw_die_ref c
> else
> {
> tree type;
> + bool naming_typedef_decl = is_naming_typedef_decl (decl);
>
> add_name_and_src_coords_attributes (type_die, decl);
> if (DECL_ORIGINAL_TYPE (decl))
> @@ -19427,13 +19428,14 @@ gen_typedef_die (tree decl, dw_die_ref c
> generate that DIE right away. add_type_attribute
> called below will then pick (via lookup_type_die) that
> anonymous struct DIE. */
> - gen_tagged_type_die (type, context_die, DINFO_USAGE_DIR_USE);
> + if (naming_typedef_decl)
> + gen_tagged_type_die (type, context_die, DINFO_USAGE_DIR_USE);
> }
>
> add_type_attribute (type_die, type, TREE_READONLY (decl),
> TREE_THIS_VOLATILE (decl), context_die);
>
> - if (is_naming_typedef_decl (decl))
> + if (naming_typedef_decl)
> /* We want that all subsequent calls to lookup_type_die with
> TYPE in argument yield the DW_TAG_typedef we have just
> created. */
These hunks are not enough to prevent the Ada breakage PR44188. I am
afraid I will need to dig into this a bit further.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44302
