[es6] Properly handle the case when an inlined getter/setter/constructor does a tail call.

src/crankshaft/hydrogen-instructions.cc

 // Copyright 2012 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/crankshaft/hydrogen-instructions.h"
 
 #include "src/base/bits.h"
 #include "src/base/safe_math.h"
 #include "src/crankshaft/hydrogen-infer-representation.h"
 #include "src/double.h"
@@ skipping 2109 matching lines @@
 
 
 void HEnterInlined::RegisterReturnTarget(HBasicBlock* return_target,
                                          Zone* zone) {
   DCHECK(return_target->IsInlineReturnTarget());
   return_targets_.Add(return_target, zone);
 }
 
 
 std::ostream& HEnterInlined::PrintDataTo(std::ostream& os) const {  // NOLINT
-  return os << function()->debug_name()->ToCString().get();
+  os << function()->debug_name()->ToCString().get();
+  if (syntactic_tail_call_mode() == TailCallMode::kAllow) {
+    os << ", JSTailCall";
+  }
+  return os;
 }
 
 
 static bool IsInteger32(double value) {
   if (value >= std::numeric_limits<int32_t>::min() &&
       value <= std::numeric_limits<int32_t>::max()) {
     double roundtrip_value = static_cast<double>(static_cast<int32_t>(value));
     return bit_cast<int64_t>(roundtrip_value) == bit_cast<int64_t>(value);
   }
   return false;
@@ skipping 1988 matching lines @@
     case HObjectAccess::kExternalMemory:
       os << "[external-memory]";
       break;
   }
 
   return os << "@" << access.offset();
 }
 
 }  // namespace internal
 }  // namespace v8