Cgraph alias reorg 18/14 (fix LTO symtab streaming)

[Jan Hubicka]

Hi,
another hunk that got lost.  We need to stream aliases into the symbol table.
For some reason this cuase very little trouble...

Bootstrapped/regtested x86_64-linux.
Comitted.
Honza
Index: ChangeLog
===================================================================
--- ChangeLog   (revision 174955)
+++ ChangeLog   (working copy)
@@ -1,5 +1,10 @@
 2011-06-11  Jan Hubicka  <j...@suse.cz>
 
+       * lto-streamer-out.c (produce_symtab): Stream out the newly represented
+       aliases.
+
+2011-06-11  Jan Hubicka  <j...@suse.cz>
+
        * ipa-prop.c (ipa_make_edge_direct_to_target): Fix code setting varying 
args.
        (ipa_update_after_lto_read): Likewise.
        (ipa_write_node_info): Do not sream call_with_var_arguments.
Index: lto-streamer-out.c
===================================================================
--- lto-streamer-out.c  (revision 174952)
+++ lto-streamer-out.c  (working copy)
@@ -2582,7 +2582,7 @@ produce_symtab (struct output_block *ob,
       if (DECL_COMDAT (node->decl)
          && cgraph_comdat_can_be_unshared_p (node))
        continue;
-      if (node->alias || node->global.inlined_to)
+      if ((node->alias && !node->thunk.alias) || node->global.inlined_to)
        continue;
       write_symbol (cache, &stream, node->decl, seen, false);
     }
@@ -2594,7 +2594,7 @@ produce_symtab (struct output_block *ob,
       if (DECL_COMDAT (node->decl)
          && cgraph_comdat_can_be_unshared_p (node))
        continue;
-      if (node->alias || node->global.inlined_to)
+      if ((node->alias && !node->thunk.alias) || node->global.inlined_to)
        continue;
       write_symbol (cache, &stream, node->decl, seen, false);
     }