Ensure HAllocateObject always allocates in new-space.

src/hydrogen-instructions.h

Index: src/hydrogen-instructions.h
diff --git a/src/hydrogen-instructions.h b/src/hydrogen-instructions.h
index 4a5df49c9ba3ac7c99838cc49b1a522428feb835..d0dd5680c0485555b013113e97cf0ea9e8d59701 100644
--- a/src/hydrogen-instructions.h
+++ b/src/hydrogen-instructions.h
@@ -4406,6 +4406,9 @@ class HAllocateObject: public HTemplateInstruction<1> {
     set_representation(Representation::Tagged());
   }
 
+  // Maximum instance size for which allocations will be inlined.
+  static const int kMaxSize = 64 * kPointerSize;
+
   HValue* context() { return OperandAt(0); }
   Handle<JSFunction> constructor() { return constructor_; }