[turbofan] Factor out the function specific part from the frame state operator.

src/compiler/instruction-selector.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/instruction-selector.h"
 
 #include <limits>
 
 #include "src/base/adapters.h"
 #include "src/compiler/instruction-selector-impl.h"
@@ skipping 1019 matching lines @@
 void InstructionSelector::VisitThrow(Node* value) {
   OperandGenerator g(this);
   Emit(kArchNop, g.NoOutput());  // TODO(titzer)
 }
 
 
 FrameStateDescriptor* InstructionSelector::GetFrameStateDescriptor(
     Node* state) {
   DCHECK(state->opcode() == IrOpcode::kFrameState);
   DCHECK_EQ(kFrameStateInputCount, state->InputCount());
-  FrameStateCallInfo state_info = OpParameter<FrameStateCallInfo>(state);
+  FrameStateInfo state_info = OpParameter<FrameStateInfo>(state);
 
   int parameters = static_cast<int>(
       StateValuesAccess(state->InputAt(kFrameStateParametersInput)).size());
   int locals = static_cast<int>(
       StateValuesAccess(state->InputAt(kFrameStateLocalsInput)).size());
   int stack = static_cast<int>(
       StateValuesAccess(state->InputAt(kFrameStateStackInput)).size());
 
+  DCHECK_EQ(parameters, state_info.parameter_count());
+  DCHECK_EQ(locals, state_info.local_count());
+
   FrameStateDescriptor* outer_state = NULL;
   Node* outer_node = state->InputAt(kFrameStateOuterStateInput);
   if (outer_node->opcode() == IrOpcode::kFrameState) {
     outer_state = GetFrameStateDescriptor(outer_node);
   }
 
   return new (instruction_zone()) FrameStateDescriptor(
       instruction_zone(), state_info.type(), state_info.bailout_id(),
       state_info.state_combine(), parameters, locals, stack,
       state_info.shared_info(), outer_state);
@@ skipping 93 matching lines @@
 MachineOperatorBuilder::Flags
 InstructionSelector::SupportedMachineOperatorFlags() {
   return MachineOperatorBuilder::Flag::kNoFlags;
 }
 
 #endif  // !V8_TURBOFAN_BACKEND
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8