[turbofan] Fix value output count for the Start node.

src/compiler/common-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/common-operator.h"
 
 #include "src/assembler.h"
 #include "src/base/lazy-instance.h"
 #include "src/compiler/linkage.h"
 #include "src/compiler/opcodes.h"
@@ skipping 423 matching lines @@
 
 const Operator* CommonOperatorBuilder::IfValue(int32_t index) {
   return new (zone()) Operator1<int32_t>(      // --
       IrOpcode::kIfValue, Operator::kKontrol,  // opcode
       "IfValue",                               // name
       0, 0, 1, 0, 0, 1,                        // counts
       index);                                  // parameter
 }
 
 
-const Operator* CommonOperatorBuilder::Start(int num_formal_parameters) {
-  // Outputs are formal parameters, plus context, receiver, and JSFunction.
-  const int value_output_count = num_formal_parameters + 3;
+const Operator* CommonOperatorBuilder::Start(int value_output_count) {
   return new (zone()) Operator(               // --
       IrOpcode::kStart, Operator::kFoldable,  // opcode
       "Start",                                // name
       0, 0, 0, value_output_count, 1, 1);     // counts
 }
 
 
 const Operator* CommonOperatorBuilder::Loop(int control_input_count) {
   switch (control_input_count) {
 #define CACHED_LOOP(input_count) \
@@ skipping 322 matching lines @@
 CommonOperatorBuilder::CreateFrameStateFunctionInfo(
     FrameStateType type, int parameter_count, int local_count,
     Handle<SharedFunctionInfo> shared_info) {
   return new (zone()->New(sizeof(FrameStateFunctionInfo)))
       FrameStateFunctionInfo(type, parameter_count, local_count, shared_info);
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8