Add Terminate operator.

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 <deque>
 #include <queue>
 #include <sstream>
 #include <string>
@@ skipping 225 matching lines @@
     case IrOpcode::kReturn:
       // TODO(rossberg): check successor is End
       // Type is empty.
       CheckNotTyped(node);
       break;
     case IrOpcode::kThrow:
       // TODO(rossberg): what are the constraints on these?
       // Type is empty.
       CheckNotTyped(node);
       break;
+    case IrOpcode::kTerminate:
+      // Type is empty.
+      CheckNotTyped(node);
+      CHECK_EQ(1, control_count);
+      CHECK_EQ(input_count, 1 + effect_count);
+      break;
 
     // Common operators
     // ----------------
     case IrOpcode::kParameter: {
       // Parameters have the start node as inputs.
       CHECK_EQ(1, input_count);
       CHECK_EQ(IrOpcode::kStart,
                NodeProperties::GetValueInput(node, 0)->opcode());
       // Parameter has an input that produces enough values.
       int index = OpParameter<int>(node);
@@ skipping 704 matching lines @@
     // Check inputs for all nodes in the block.
     for (size_t i = 0; i < block->NodeCount(); i++) {
       Node* node = block->NodeAt(i);
       CheckInputsDominate(schedule, block, node, static_cast<int>(i) - 1);
     }
   }
 }
 }
 }
 }  // namespace v8::internal::compiler