Initial support for debugger frame state in Turbofan.

src/compiler/linkage.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/linkage.h"
 
 #include "src/code-stubs.h"
 #include "src/compiler.h"
 #include "src/compiler/node.h"
 #include "src/compiler/pipeline.h"
@@ skipping 16 matching lines @@
       os << "Addr";
       break;
   }
   return os;
 }
 
 
 OStream& operator<<(OStream& os, const CallDescriptor& d) {
   // TODO(svenpanne) Output properties etc. and be less cryptic.
   return os << d.kind() << ":" << d.debug_name() << ":r" << d.ReturnCount()
-            << "p" << d.ParameterCount() << "i" << d.InputCount()
-            << (d.CanLazilyDeoptimize() ? "deopt" : "");
+            << "p" << d.ParameterCount() << "i" << d.InputCount() << "f"
+            << d.FrameStateCount() << (d.CanLazilyDeoptimize() ? "deopt" : "");
 }
 
 
 Linkage::Linkage(CompilationInfo* info) : info_(info) {
   if (info->function() != NULL) {
     // If we already have the function literal, use the number of parameters
     // plus the receiver.
     incoming_ = GetJSCallDescriptor(1 + info->function()->parameter_count());
   } else if (!info->closure().is_null()) {
     // If we are compiling a JS function, use a JS call descriptor,
@@ skipping 91 matching lines @@
 CallDescriptor* Linkage::GetSimplifiedCDescriptor(
     Zone* zone, int num_params, MachineType return_type,
     const MachineType* param_types) {
   UNIMPLEMENTED();
   return NULL;
 }
 #endif  // !V8_TURBOFAN_BACKEND
 }
 }
 }  // namespace v8::internal::compiler