--- old/src/share/vm/opto/macro.cpp	2016-01-11 14:39:02.781968809 +0100
+++ new/src/share/vm/opto/macro.cpp	2016-01-11 14:39:02.701968813 +0100
@@ -1813,10 +1813,11 @@
     // there can be two Allocates to one Initialize.  The answer in all these
     // edge cases is safety first.  It is always safe to clear immediately
     // within an Allocate, and then (maybe or maybe not) clear some more later.
-    if (!ZeroTLAB)
+    if (!(UseTLAB && ZeroTLAB)) {
       rawmem = ClearArrayNode::clear_memory(control, rawmem, object,
                                             header_size, size_in_bytes,
                                             &_igvn);
+    }
   } else {
     if (!init->is_complete()) {
       // Try to win by zeroing only what the init does not store.