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authorJan Hubicka <jh@suse.cz>2010-05-12 15:49:34 +0200
committerJan Hubicka <hubicka@gcc.gnu.org>2010-05-12 13:49:34 +0000
commitb34fd25c83e4a098405b5d520a260fb3ac32b14e (patch)
tree8ecab4363a29f5b524dad95f3f7d8676be43b1c6 /gcc/lto-symtab.c
parent49f19b1cfcccac7b821d14db46afeb323f56a87d (diff)
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cgraph.h (struct varpool_node): Add aux.
* cgraph.h (struct varpool_node): Add aux. * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes. * varpool.c (varpool_remove_node): Do not remove initializer. (varpool_reset_queue): Export. (varpool_finalize_decl): Volatile vars are forced to be output. * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of replaced decl. * ipa.c (enqueue_cgraph_node, enqueue_varpool_node, process_references, varpool_can_remove_if_no_refs): New functions. (cgraph_remove_unreachable_nodes): Handle variables too. From-SVN: r159321
Diffstat (limited to 'gcc/lto-symtab.c')
-rw-r--r--gcc/lto-symtab.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/lto-symtab.c b/gcc/lto-symtab.c
index f8349cf..f8a244c 100644
--- a/gcc/lto-symtab.c
+++ b/gcc/lto-symtab.c
@@ -291,6 +291,9 @@ lto_varpool_replace_node (struct varpool_node *vnode,
prevailing_node = prevailing_node->extra_name;
ipa_clone_refering (NULL, prevailing_node, &vnode->ref_list);
+ /* Be sure we can garbage collect the initializer. */
+ if (DECL_INITIAL (vnode->decl))
+ DECL_INITIAL (vnode->decl) = error_mark_node;
/* Finally remove the replaced node. */
varpool_remove_node (vnode);
}