Remove BLACKLIST from check-name-clashes.py, it's wrong nowadays.

src/x64/code-stubs-x64.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.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
@@ skipping 1078 matching lines @@
   __ leap(rdi, FieldOperand(rdi, rdx, times_1, Code::kHeaderSize));
   __ jmp(rdi);
 }
 
 
 void RegExpExecStub::Generate(MacroAssembler* masm) {
   // Just jump directly to runtime if native RegExp is not selected at compile
   // time or if regexp entry in generated code is turned off runtime switch or
   // at compilation.
 #ifdef V8_INTERPRETED_REGEXP
-  __ TailCallRuntime(Runtime::kRegExpExecRT, 4, 1);
+  __ TailCallRuntime(Runtime::kRegExpExec, 4, 1);
 #else  // V8_INTERPRETED_REGEXP
 
   // Stack frame on entry.
   //  rsp[0]  : return address
   //  rsp[8]  : last_match_info (expected JSArray)
   //  rsp[16] : previous index
   //  rsp[24] : subject string
   //  rsp[32] : JSRegExp object
 
   enum RegExpExecStubArgumentIndices {
@@ skipping 367 matching lines @@
   __ LoadRoot(rdx, Heap::kTheHoleValueRootIndex);
   __ cmpp(rax, rdx);
   __ j(equal, &runtime);
 
   // For exception, throw the exception again.
   __ EnterExitFrame(false);
   ThrowPendingException(masm);
 
   // Do the runtime call to execute the regexp.
   __ bind(&runtime);
-  __ TailCallRuntime(Runtime::kRegExpExecRT, 4, 1);
+  __ TailCallRuntime(Runtime::kRegExpExec, 4, 1);
 
   // Deferred code for string handling.
   // (7) Not a long external string?  If yes, go to (10).
   __ bind(&not_seq_nor_cons);
   // Compare flags are still set from (3).
   __ j(greater, &not_long_external, Label::kNear);  // Go to (10).
 
   // (8) External string.  Short external strings have been ruled out.
   __ bind(&external_string);
   __ movp(rbx, FieldOperand(rdi, HeapObject::kMapOffset));
@@ skipping 3647 matching lines @@
   CallApiFunctionAndReturn(masm, api_function_address, thunk_ref, getter_arg,
                            kStackSpace, nullptr, return_value_operand, NULL);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64