[turbofan] Remove kInterpreterDispatch CallDescriptor kind in favor of flag.

src/compiler/arm/instruction-selector-arm.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/base/adapters.h"
 #include "src/base/bits.h"
 #include "src/compiler/instruction-selector-impl.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties.h"
 
@@ skipping 1172 matching lines @@
     // Compute InstructionOperands for inputs and outputs.
     // TODO(turbofan): on ARM it's probably better to use the code object in a
     // register if there are multiple uses of it. Improve constant pool and the
     // heuristics in the register allocator for where to emit constants.
     InitializeCallBuffer(node, &buffer, true, false);
 
     // Select the appropriate opcode based on the call type.
     InstructionCode opcode;
     switch (descriptor->kind()) {
       case CallDescriptor::kCallCodeObject:
-      case CallDescriptor::kInterpreterDispatch:
         opcode = kArchTailCallCodeObject;
         break;
       case CallDescriptor::kCallJSFunction:
         opcode = kArchTailCallJSFunction;
         break;
       default:
         UNREACHABLE();
         return;
     }
     opcode |= MiscField::encode(descriptor->flags());
@@ skipping 428 matching lines @@
     flags |= MachineOperatorBuilder::kFloat64RoundDown |
              MachineOperatorBuilder::kFloat64RoundTruncate |
              MachineOperatorBuilder::kFloat64RoundTiesAway;
   }
   return flags;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8