[Turbofan] Make GenericLowering operate concurrently.

src/compiler/js-operator.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/js-operator.h"
 
 #include <limits>
 
 #include "src/base/lazy-instance.h"
 #include "src/compiler/opcodes.h"
 #include "src/compiler/operator.h"
 #include "src/handles-inl.h"
 #include "src/type-feedback-vector.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 VectorSlotPair::VectorSlotPair() {}
 
 
 int VectorSlotPair::index() const {
-  return vector_.is_null() ? -1 : vector_->GetIndex(slot_);
+  return vector_.is_null() ? -1 : TypeFeedbackVector::GetIndex(slot_);
 }
 
 
 bool operator==(VectorSlotPair const& lhs, VectorSlotPair const& rhs) {
   return lhs.slot() == rhs.slot() &&
          lhs.vector().location() == rhs.vector().location();
 }
 
 
 bool operator!=(VectorSlotPair const& lhs, VectorSlotPair const& rhs) {
@@ skipping 930 matching lines @@
   return new (zone()) Operator1<Handle<ScopeInfo>>(               // --
       IrOpcode::kJSCreateScriptContext, Operator::kNoProperties,  // opcode
       "JSCreateScriptContext",                                    // name
       1, 1, 1, 1, 1, 2,                                           // counts
       scope_info);                                                // parameter
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8