[es6] Implement spec compliant ToPrimitive in the runtime.

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/arm64/frames-arm64.h"
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
@@ skipping 3977 matching lines @@
   __ Bind(&not_string);
 
   Label not_oddball;
   __ Cmp(x1, ODDBALL_TYPE);
   __ B(ne, &not_oddball);
   __ Ldr(x0, FieldMemOperand(x0, Oddball::kToNumberOffset));
   __ Ret();
   __ Bind(&not_oddball);
 
   __ Push(x0);  // Push argument.
-  __ InvokeBuiltin(Context::TO_NUMBER_BUILTIN_INDEX, JUMP_FUNCTION);
+  __ TailCallRuntime(Runtime::kToNumber, 1, 1);
 }
 
 
 void StringHelper::GenerateFlatOneByteStringEquals(
     MacroAssembler* masm, Register left, Register right, Register scratch1,
     Register scratch2, Register scratch3) {
   DCHECK(!AreAliased(left, right, scratch1, scratch2, scratch3));
   Register result = x0;
   Register left_length = scratch1;
   Register right_length = scratch2;
@@ skipping 1902 matching lines @@
                            MemOperand(fp, 6 * kPointerSize), NULL);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM64