Add the dummy implementation for turbofan unsupported port.

src/compiler/instruction-selector.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/instruction-selector.h"
 
 #include <limits>
 
 #include "src/compiler/instruction-selector-impl.h"
 #include "src/compiler/node-matchers.h"
@@ skipping 1194 matching lines @@
 
 void InstructionSelector::VisitCall(Node* node) { UNIMPLEMENTED(); }
 
 
 void InstructionSelector::VisitBranch(Node* branch, BasicBlock* tbranch,
                                       BasicBlock* fbranch) {
   UNIMPLEMENTED();
 }
 
 
+void InstructionSelector::VisitSwitch(Node* node, BasicBlock* default_branch,
+                                      BasicBlock** case_branches,
+                                      int32_t* case_values, size_t case_count,
+                                      int32_t min_value, int32_t max_value) {
+  UNIMPLEMENTED();
+}
+
+
 // static
 MachineOperatorBuilder::Flags
 InstructionSelector::SupportedMachineOperatorFlags() {
   return MachineOperatorBuilder::Flag::kNoFlags;
 }
 
 #endif  // !V8_TURBOFAN_BACKEND
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8