Hi,
this is the last part. It makes DECL_VIRTUAL to be copied when creating
aliases. This is
needed to make sanity check in gimple-fold happy (it checks that vtables are
DECL_VIRTUAL).
It also resets initializers of aliases to save memory.
Bootstrapped/regtested rs6000-aix, comitted.
Index: symtab.c
===================================================================
--- symtab.c (revision 211357)
+++ symtab.c (working copy)
@@ -1154,7 +1154,9 @@
TREE_PUBLIC (new_decl) = 0;
DECL_COMDAT (new_decl) = 0;
DECL_WEAK (new_decl) = 0;
- DECL_VIRTUAL_P (new_decl) = 0;
+
+ /* Since the aliases can be added to vtables, keep DECL_VIRTUAL flag. */
+ DECL_VIRTUAL_P (new_decl) = DECL_VIRTUAL_P (node->decl);
if (TREE_CODE (new_decl) == FUNCTION_DECL)
{
DECL_STATIC_CONSTRUCTOR (new_decl) = 0;
@@ -1165,6 +1167,7 @@
else
{
TREE_READONLY (new_decl) = TREE_READONLY (node->decl);
+ DECL_INITIAL (new_decl) = error_mark_node;
new_node = varpool_create_variable_alias (new_decl, node->decl);
}
symtab_resolve_alias (new_node, node);
