[turbofan] Fix bugs in escape analysis.

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 410 matching lines @@
       break;
     case IrOpcode::kFinishRegion: {
       // TODO(rossberg): what are the constraints on these?
       // Type must be subsumed by input type.
       if (typing == TYPED) {
         Node* val = NodeProperties::GetValueInput(node, 0);
         CHECK(NodeProperties::GetType(val)->Is(NodeProperties::GetType(node)));
       }
       break;
     }
-    case IrOpcode::kFrameState:
+    case IrOpcode::kFrameState: {
       // TODO(jarin): what are the constraints on these?
       CHECK_EQ(5, value_count);
       CHECK_EQ(0, control_count);
       CHECK_EQ(0, effect_count);
       CHECK_EQ(6, input_count);
+      for (int i = 0; i < 3; ++i) {
+        CHECK(NodeProperties::GetValueInput(node, i)->opcode() ==
+                  IrOpcode::kStateValues ||
+              NodeProperties::GetValueInput(node, i)->opcode() ==
+                  IrOpcode::kTypedStateValues);
+      }
       break;
+    }
     case IrOpcode::kStateValues:
     case IrOpcode::kObjectState:
     case IrOpcode::kTypedStateValues:
       // 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?
@@ skipping 811 matching lines @@
          replacement->op()->EffectOutputCount() > 0);
   DCHECK(!NodeProperties::IsFrameStateEdge(edge) ||
          replacement->opcode() == IrOpcode::kFrameState);
 }
 
 #endif  // DEBUG
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8