Revert of [builtins] Introduce a builtin for Abort().

src/builtins/x64/builtins-x64.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.
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/code-factory.h"
 #include "src/codegen.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen/full-codegen.h"
@@ skipping 2097 matching lines @@
   // -----------------------------------
   __ Integer32ToSmi(rdx, rdx);
   __ PopReturnAddressTo(rcx);
   __ Push(rdx);
   __ Push(Smi::FromInt(AllocateTargetSpace::encode(OLD_SPACE)));
   __ PushReturnAddressFrom(rcx);
   __ Move(rsi, Smi::FromInt(0));
   __ TailCallRuntime(Runtime::kAllocateInTargetSpace);
 }
 
-// static
-void Builtins::Generate_Abort(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- rdx    : message_id as Smi
-  //  -- rsp[0] : return address
-  // -----------------------------------
-  __ PopReturnAddressTo(rcx);
-  __ Push(rdx);
-  __ PushReturnAddressFrom(rcx);
-  __ Move(rsi, Smi::FromInt(0));
-  __ TailCallRuntime(Runtime::kAbort);
-}
-
 void Builtins::Generate_StringToNumber(MacroAssembler* masm) {
   // The StringToNumber stub takes one argument in rax.
   __ AssertString(rax);
 
   // Check if string has a cached array index.
   Label runtime;
   __ testl(FieldOperand(rax, String::kHashFieldOffset),
            Immediate(String::kContainsCachedArrayIndexMask));
   __ j(not_zero, &runtime, Label::kNear);
   __ movl(rax, FieldOperand(rax, String::kHashFieldOffset));
@@ skipping 906 matching lines @@
   // And "return" to the OSR entry point of the function.
   __ ret(0);
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64