[es6] Tail calls support.

src/arm64/code-stubs-arm64.cc

 // Copyright 2013 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.
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
 #include "src/ic/handler-compiler.h"
@@ skipping 2918 matching lines @@
   __ Add(feedback_vector, feedback_vector,
          Operand::UntagSmiAndScale(index, kPointerSizeLog2));
   __ Add(feedback_vector, feedback_vector,
          Operand(FixedArray::kHeaderSize + kPointerSize));
   __ Ldr(index, FieldMemOperand(feedback_vector, 0));
   __ Add(index, index, Operand(Smi::FromInt(CallICNexus::kCallCountIncrement)));
   __ Str(index, FieldMemOperand(feedback_vector, 0));
 
   __ Bind(&call_function);
   __ Mov(x0, argc);
-  __ Jump(masm->isolate()->builtins()->CallFunction(convert_mode()),
+  __ Jump(masm->isolate()->builtins()->CallFunction(convert_mode(),
+                                                    tail_call_mode()),
           RelocInfo::CODE_TARGET);
 
   __ bind(&extra_checks_or_miss);
   Label uninitialized, miss, not_allocation_site;
 
   __ JumpIfRoot(x4, Heap::kmegamorphic_symbolRootIndex, &call);
 
   __ Ldr(x5, FieldMemOperand(x4, HeapObject::kMapOffset));
   __ JumpIfNotRoot(x5, Heap::kAllocationSiteMapRootIndex, &not_allocation_site);
 
@@ skipping 13 matching lines @@
   // to handle it here. More complex cases are dealt with in the runtime.
   __ AssertNotSmi(x4);
   __ JumpIfNotObjectType(x4, x5, x5, JS_FUNCTION_TYPE, &miss);
   __ Add(x4, feedback_vector,
          Operand::UntagSmiAndScale(index, kPointerSizeLog2));
   __ LoadRoot(x5, Heap::kmegamorphic_symbolRootIndex);
   __ Str(x5, FieldMemOperand(x4, FixedArray::kHeaderSize));
 
   __ Bind(&call);
   __ Mov(x0, argc);
-  __ Jump(masm->isolate()->builtins()->Call(convert_mode()),
+  __ Jump(masm->isolate()->builtins()->Call(convert_mode(), tail_call_mode()),
           RelocInfo::CODE_TARGET);
 
   __ bind(&uninitialized);
 
   // We are going monomorphic, provided we actually have a JSFunction.
   __ JumpIfSmi(function, &miss);
 
   // Goto miss case if we do not have a function.
   __ JumpIfNotObjectType(function, x5, x5, JS_FUNCTION_TYPE, &miss);
 
@@ skipping 2909 matching lines @@
                            return_value_operand, NULL);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM64