Set the proper instance-type on HAllocate in BuildFastLiteral

src/hydrogen.cc

Index: src/hydrogen.cc
diff --git a/src/hydrogen.cc b/src/hydrogen.cc
index 184d2ff4d874709669517cbbc2780c8e470e17df..d7aed1cd8e68ba71746e888218b245a8aee570b6 100644
--- a/src/hydrogen.cc
+++ b/src/hydrogen.cc
@@ -8196,8 +8196,9 @@ HInstruction* HOptimizedGraphBuilder::BuildFastLiteral(
   int object_size = boilerplate_object->map()->instance_size();
   int object_offset = object_size;
 
+  InstanceType instance_type = boilerplate_object->map()->instance_type();
   bool create_allocation_site_info = mode == TRACK_ALLOCATION_SITE &&
-      AllocationSite::CanTrack(boilerplate_object->map()->instance_type());
+      AllocationSite::CanTrack(instance_type);
 
   // If using allocation sites, then the payload on the site should already
   // be filled in as a valid (boilerplate) array.
@@ -8210,7 +8211,7 @@ HInstruction* HOptimizedGraphBuilder::BuildFastLiteral(
 
   HValue* object_size_constant = Add<HConstant>(object_size);
   HInstruction* object = Add<HAllocate>(object_size_constant, HType::JSObject(),

[Hannes Payer (out of office), 2013/09/18 14:03:16]

can we also change that to HType::JSArray()?

-      isolate()->heap()->GetPretenureMode(), JS_OBJECT_TYPE);
+      isolate()->heap()->GetPretenureMode(), instance_type);
 
 
   BuildEmitObjectHeader(boilerplate_object, object);