http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57038
--- Comment #16 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
OK, I think I found the bug. Weakrefs are considered to be external but they
need to be duplicated. Does the following fix the problem?
Index: lto-partition.c
===================================================================
--- lto-partition.c (revision 198803)
+++ lto-partition.c (working copy)
@@ -59,6 +59,10 @@ get_symbol_class (symtab_node node)
if (cnode && cnode->global.inlined_to)
return SYMBOL_DUPLICATE;
+ /* Weakref aliases are always duplicated. */
+ if (lookup_attribute ("weakref", DECL_ATTRIBUTES (node->symbol.decl)))
+ return SYMBOL_DUPLICATE;
+
/* External declarations are external. */
if (DECL_EXTERNAL (node->symbol.decl))
return SYMBOL_EXTERNAL;
@@ -79,10 +83,6 @@ get_symbol_class (symtab_node node)
else if (!cgraph (node)->analyzed)
return SYMBOL_EXTERNAL;
- /* Weakref aliases are always duplicated. */
- if (lookup_attribute ("weakref", DECL_ATTRIBUTES (node->symbol.decl)))
- return SYMBOL_DUPLICATE;
-
/* Comdats are duplicated to every use unless they are keyed.
Those do not need duplication. */
if (DECL_COMDAT (node->symbol.decl)
I hav emore involved patch to fix weakrefs in testing, but this may be enough
for this particular bug.
Honza
