Support pass-through of stub caller arguments

src/code-stubs-hydrogen.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 80 matching lines @@
   CodeStubInterfaceDescriptor* descriptor =
       info_.isolate()->code_stub_interface_descriptor(major_key);
   if (descriptor->register_param_count_ < 0) {
     stub()->InitializeInterfaceDescriptor(info_.isolate(), descriptor);
   }
   parameters_.Reset(new HParameter*[descriptor->register_param_count_]);
 
   HGraph* graph = this->graph();
   Zone* zone = this->zone();
   for (int i = 0; i < descriptor->register_param_count_; ++i) {
-    HParameter* param = new(zone) HParameter(i);
+    HParameter* param =
+        new(zone) HParameter(i, HParameter::REGISTER_PARAMETER);
     AddInstruction(param);
     graph->start_environment()->Push(param);
     parameters_[i] = param;
   }
   AddSimulate(BailoutId::StubEntry());
 
   BuildCodeStub();
 
   return true;
 }
@@ skipping 26 matching lines @@
 
 
 Handle<Code> KeyedLoadFastElementStub::GenerateCode() {
   CodeStubGraphBuilder<KeyedLoadFastElementStub> builder(this);
   LChunk* chunk = OptimizeGraph(builder.CreateGraph());
   return chunk->Codegen(Code::COMPILED_STUB);
 }
 
 
 } }  // namespace v8::internal