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

src/compiler/js-inlining.cc

Index: src/compiler/js-inlining.cc
diff --git a/src/compiler/js-inlining.cc b/src/compiler/js-inlining.cc
index 382e0c10e58437003804467229ff9db73d8a9208..e3254bd077220fd18a5d6796cf64ab988ed88919 100644
--- a/src/compiler/js-inlining.cc
+++ b/src/compiler/js-inlining.cc
@@ -412,7 +412,7 @@ Reduction JSInliner::ReduceJSCall(Node* node, Handle<JSFunction> function) {
     return NoChange();
   }
 
-  Zone zone;
+  Zone zone(info_->isolate()->allocator());
   ParseInfo parse_info(&zone, function);
   CompilationInfo info(&parse_info);
   if (info_->is_deoptimization_enabled()) info.MarkAsDeoptimizationEnabled();