Expose a lower bound of malloc'd memory via heap statistics

src/compiler/loop-peeling.cc

Index: src/compiler/loop-peeling.cc
diff --git a/src/compiler/loop-peeling.cc b/src/compiler/loop-peeling.cc
index b553a9ff5801a9d18a7bf52c44341b224c1762da..53795961b3a956720e4886e2f65349ec67317de3 100644
--- a/src/compiler/loop-peeling.cc
+++ b/src/compiler/loop-peeling.cc
@@ -184,7 +184,7 @@ static void FindLoopExits(LoopTree* loop_tree, LoopTree::Loop* loop,
 
 
 bool LoopPeeler::CanPeel(LoopTree* loop_tree, LoopTree::Loop* loop) {
-  Zone zone;
+  Zone zone(loop_tree->zone()->allocator());
   NodeVector exits(&zone);
   NodeVector rets(&zone);
   FindLoopExits(loop_tree, loop, exits, rets);