[runtime] Introduce dedicated JSBoundFunction to represent bound functions.

src/crankshaft/hydrogen.cc

 // Copyright 2013 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/crankshaft/hydrogen.h"
 
 #include <sstream>
 
 #include "src/allocation-site-scopes.h"
 #include "src/ast/ast-numbering.h"
@@ skipping 12164 matching lines @@
                                      FIRST_JS_RECEIVER_TYPE,
                                      LAST_JS_RECEIVER_TYPE);
   return ast_context()->ReturnControl(result, call->id());
 }
 
 
 void HOptimizedGraphBuilder::GenerateIsFunction(CallRuntime* call) {
   DCHECK(call->arguments()->length() == 1);
   CHECK_ALIVE(VisitForValue(call->arguments()->at(0)));
   HValue* value = Pop();
-  HHasInstanceTypeAndBranch* result =
-      New<HHasInstanceTypeAndBranch>(value, JS_FUNCTION_TYPE);
+  HHasInstanceTypeAndBranch* result = New<HHasInstanceTypeAndBranch>(
+      value, FIRST_FUNCTION_TYPE, LAST_FUNCTION_TYPE);
   return ast_context()->ReturnControl(result, call->id());
 }
 
 
 void HOptimizedGraphBuilder::GenerateIsMinusZero(CallRuntime* call) {
   DCHECK(call->arguments()->length() == 1);
   CHECK_ALIVE(VisitForValue(call->arguments()->at(0)));
   HValue* value = Pop();
   HCompareMinusZeroAndBranch* result = New<HCompareMinusZeroAndBranch>(value);
   return ast_context()->ReturnControl(result, call->id());
@@ skipping 1423 matching lines @@
     isolate()->GetHTracer()->TraceHydrogen(name(), graph_);
   }
 
 #ifdef DEBUG
   graph_->Verify(false);  // No full verify.
 #endif
 }
 
 }  // namespace internal
 }  // namespace v8