[turbofan] compute arguments length in deoptimizer

src/compiler/verifier.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/verifier.h"
 
 #include <algorithm>
 #include <deque>
 #include <queue>
 #include <sstream>
@@ skipping 480 matching lines @@
         CHECK(NodeProperties::GetValueInput(node, i)->opcode() ==
                   IrOpcode::kStateValues ||
               NodeProperties::GetValueInput(node, i)->opcode() ==
                   IrOpcode::kTypedStateValues);
       }
       break;
     }
     case IrOpcode::kStateValues:
     case IrOpcode::kTypedStateValues:
     case IrOpcode::kArgumentsElementsState:
+    case IrOpcode::kArgumentsLengthState:
     case IrOpcode::kObjectState:
     case IrOpcode::kTypedObjectState:
       // TODO(jarin): what are the constraints on these?
       break;
     case IrOpcode::kCall:
       // TODO(rossberg): what are the constraints on these?
       break;
     case IrOpcode::kTailCall:
       // TODO(bmeurer): what are the constraints on these?
       break;
@@ skipping 1212 matching lines @@
          replacement->op()->EffectOutputCount() > 0);
   DCHECK(!NodeProperties::IsFrameStateEdge(edge) ||
          replacement->opcode() == IrOpcode::kFrameState);
 }
 
 #endif  // DEBUG
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8