[PR ipa/66616] Copy can_change_signature flag to artificial thunks

2016-01-11  Martin Jambor  <mjambor@suse.cz>

	PR ipa/66616
	* cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
	flag.

From-SVN: r232214

gcc/ChangeLog

+2016-01-11  Martin Jambor  <mjambor@suse.cz>
+
+	PR ipa/66616
+	* cgraphclones.c (duplicate_thunk_for_node): Copy can_change_signature
+	flag.
+
 2016-01-11  Tom de Vries  <tom@codesourcery.com>
 
 	PR tree-optimization/69109

gcc/cgraphclones.c

@@ -328,6 +328,7 @@ duplicate_thunk_for_node (cgraph_node *thunk, cgraph_node *node)
   new_thunk = cgraph_node::create (new_decl);
   set_new_clone_decl_and_node_flags (new_thunk);
   new_thunk->definition = true;
+  new_thunk->local.can_change_signature = node->local.can_change_signature;
   new_thunk->thunk = thunk->thunk;
   new_thunk->unique_name = in_lto_p;
   new_thunk->former_clone_of = thunk->decl;