[turbofan] Remove dead kArchTailCallJSFunction.

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/base/adapters.h"
 #include "src/compiler/instruction-selector-impl.h"
@@ skipping 1907 matching lines @@
       }
       int temps_count = GetTempsCountForTailCallFromJSFunction();
       for (int i = 0; i < temps_count; i++) {
         temps.push_back(g.TempRegister());
       }
     } else {
       switch (descriptor->kind()) {
         case CallDescriptor::kCallCodeObject:
           opcode = kArchTailCallCodeObject;
           break;
-        case CallDescriptor::kCallJSFunction:
-          opcode = kArchTailCallJSFunction;
-          break;
         case CallDescriptor::kCallAddress:
           opcode = kArchTailCallAddress;
           break;
         default:
           UNREACHABLE();
           return;
       }
     }
     opcode |= MiscField::encode(descriptor->flags());
 
@@ skipping 206 matching lines @@
   return new (instruction_zone()) FrameStateDescriptor(
       instruction_zone(), state_info.type(), state_info.bailout_id(),
       state_info.state_combine(), parameters, locals, stack,
       state_info.shared_info(), outer_state);
 }
 
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8