[turbofan] Fix tail call optimization.

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 412 matching lines @@
     case IrOpcode::kFrameState:
       // TODO(jarin): what are the constraints on these?
       break;
     case IrOpcode::kStateValues:
     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?
+      break;
 
     // JavaScript operators
     // --------------------
     case IrOpcode::kJSEqual:
     case IrOpcode::kJSNotEqual:
     case IrOpcode::kJSStrictEqual:
     case IrOpcode::kJSStrictNotEqual:
     case IrOpcode::kJSLessThan:
     case IrOpcode::kJSGreaterThan:
     case IrOpcode::kJSLessThanOrEqual:
@@ skipping 651 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