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authorJan Hubicka <jh@suse.cz>2011-01-11 18:29:52 +0100
committerJan Hubicka <hubicka@gcc.gnu.org>2011-01-11 17:29:52 +0000
commit6e701822708dbcd9ec935a536830a522d24f8151 (patch)
tree8a0441a53aaf0333716ca7449a404e95b3435f3e /gcc/lto
parent1b248907583f1cf4e02ce4168ad35cf3fe7637ba (diff)
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re PR lto/45721 (ICE: in function_and_variable_visibility, at ipa.c:673 with -flto)
PR lto/45721 PR lto/45375 * tree.h (symbol_alias_set_t): Move typedef here from varasm.c (symbol_alias_set_destroy, symbol_alias_set_contains, propagate_aliases_backward): Declare. * lto-streamer-out.c (struct sets): New sturcture. (trivally_defined_alias): New function. (output_alias_pair_p): Rewrite. (output_unreferenced_globals): Fix output of alias pairs. (produce_symtab): Likewise. * ipa.c (function_and_variable_visibility): Set weak alias destination as needed in lto. * varasm.c (symbol_alias_set_t): Remove. (symbol_alias_set_destroy): Export. (propagate_aliases_forward, propagate_aliases_backward): New functions based on ... (compute_visible_aliases): ... this one; remove. (trivially_visible_alias): New (trivially_defined_alias): New. (remove_unreachable_alias_pairs): Rewrite. (finish_aliases_1): Reorganize code checking if alias is defined. * passes.c (rest_of_decl_compilation): Do not call assemble_alias when in LTO mode. * lto.c (partition_cgraph_node_p, partition_varpool_node_p): Weakrefs are not partitioned. * testsuite/gcc.dg/lto/pr45721_1.c: New file. * testsuite/gcc.dg/lto/pr45721_0.c: New file. From-SVN: r168666
Diffstat (limited to 'gcc/lto')
-rw-r--r--gcc/lto/ChangeLog7
-rw-r--r--gcc/lto/lto.c4
2 files changed, 11 insertions, 0 deletions
diff --git a/gcc/lto/ChangeLog b/gcc/lto/ChangeLog
index 319a47a..4cb66fe 100644
--- a/gcc/lto/ChangeLog
+++ b/gcc/lto/ChangeLog
@@ -1,3 +1,10 @@
+2011-01-11 Jan Hubicka <jh@suse.cz>
+
+ PR lto/45721
+ PR lto/45375
+ * lto.c (partition_cgraph_node_p, partition_varpool_node_p): Weakrefs are
+ not partitioned.
+
2010-12-22 Nathan Froyd <froydnj@codesourcery.com>
* lto-lang.c (handle_nonnull_attribute, handle_sentinel_attribute):
diff --git a/gcc/lto/lto.c b/gcc/lto/lto.c
index 9cfb5e2..cbc192a 100644
--- a/gcc/lto/lto.c
+++ b/gcc/lto/lto.c
@@ -837,6 +837,8 @@ partition_cgraph_node_p (struct cgraph_node *node)
|| (DECL_COMDAT (node->decl)
&& !cgraph_used_from_object_file_p (node)))
return false;
+ if (lookup_attribute ("weakref", DECL_ATTRIBUTES (node->decl)))
+ return false;
return true;
}
@@ -854,6 +856,8 @@ partition_varpool_node_p (struct varpool_node *vnode)
&& !vnode->force_output
&& !varpool_used_from_object_file_p (vnode)))
return false;
+ if (lookup_attribute ("weakref", DECL_ATTRIBUTES (vnode->decl)))
+ return false;
return true;
}