diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f83d760354e..6b499dd68b5 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2015-11-06  Richard Biener  <rguenther@suse.de>
+
+	* alloc-pool.h (object_allocator::allocate): Default-initialize
+	object.
+
 2015-11-06  Richard Biener  <rguenther@suse.de>
 
 	* tree-ssa-sccvn.c (class sccvn_dom_walker): Add destructor.
diff --git a/gcc/alloc-pool.h b/gcc/alloc-pool.h
index 0dc05cdb719..bf9b0ebd6ee 100644
--- a/gcc/alloc-pool.h
+++ b/gcc/alloc-pool.h
@@ -480,7 +480,7 @@ public:
   inline T *
   allocate () ATTRIBUTE_MALLOC
   {
-    return ::new (m_allocator.allocate ()) T ();
+    return ::new (m_allocator.allocate ()) T;
   }
 
   inline void