[Bug target/47333] [4.8 regression] g++.dg/lto/20091219 FAILs on Solaris 2 with SUN as

[ro at CeBiTec dot Uni-Bielefeld.DE]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47333

--- Comment #39 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> ---
> --- Comment #36 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
> I am having problem to reproduce it on a cross compiler.  I assume you have
> non-plugin-enable LD setup, right?

The failure happens with both Sun as/Sun ld (i.e. no plugin support) and
Sun as/GNU ld 2.23.1 (i.e. with linker plugin support).

> There is problem with chained weakrefs that ought to be fixed by the following
> change:
> Index: cgraphunit.c
> ===================================================================
> --- cgraphunit.c        (revision 199591)
> +++ cgraphunit.c        (working copy)
> @@ -656,8 +656,11 @@ cgraph_process_same_body_aliases (void)
> @@ -2018,7 +2021,7 @@ compile (void)
>            (DECL_ASSEMBLER_NAME (node->symbol.decl)) = 1;
>         TREE_CHAIN (DECL_ASSEMBLER_NAME (node->symbol.decl))
>            = (node->symbol.alias_target ? node->symbol.alias_target
> -             : DECL_ASSEMBLER_NAME (symtab_alias_target (node)->symbol.decl));
> +             : DECL_ASSEMBLER_NAME (symtab_alias_ultimate_target
> (node)->symbol.decl));
>        }
>  #endif
>
>
> I however do not see any chained weakrefs in the preprocessed file attached, so
> I am not quite convinced this can change anything.
>
> Can you, please, run it in debugger and take a look what is the assembler name
> ultimate_target is called for and what is its CHAIN_DECL?

I can try if this is still beneficial given that mainline seems to work
fine.

    Rainer