[runtime] First step to sanitize regexp literal creation.

src/runtime/runtime-regexp.cc

 // Copyright 2014 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/runtime/runtime-utils.h"
 
 #include "src/arguments.h"
 #include "src/conversions-inl.h"
 #include "src/isolate-inl.h"
 #include "src/messages.h"
@@ skipping 821 matching lines @@
   CONVERT_ARG_HANDLE_CHECKED(String, source, 1);
   CONVERT_ARG_HANDLE_CHECKED(String, flags, 2);
 
   RETURN_FAILURE_ON_EXCEPTION(isolate,
                               JSRegExp::Initialize(regexp, source, flags));
 
   return *regexp;
 }
 
 
-RUNTIME_FUNCTION(Runtime_MaterializeRegExpLiteral) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 4);
-  CONVERT_ARG_HANDLE_CHECKED(LiteralsArray, literals, 0);
-  CONVERT_SMI_ARG_CHECKED(index, 1);
-  CONVERT_ARG_HANDLE_CHECKED(String, pattern, 2);
-  CONVERT_ARG_HANDLE_CHECKED(String, flags, 3);
-
-  Handle<JSRegExp> regexp;
-  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, regexp,
-                                     JSRegExp::New(pattern, flags));
-  literals->set_literal(index, *regexp);
-  return *regexp;
-}
-
-
 // Only called from Runtime_RegExpExecMultiple so it doesn't need to maintain
 // separate last match info.  See comment on that function.
 template <bool has_capture>
 static Object* SearchRegExpMultiple(Isolate* isolate, Handle<String> subject,
                                     Handle<JSRegExp> regexp,
                                     Handle<JSArray> last_match_array,
                                     Handle<JSArray> result_array) {
   DCHECK(subject->IsFlat());
   DCHECK_NE(has_capture, regexp->CaptureCount() == 0);
 
@@ skipping 170 matching lines @@
 
 
 RUNTIME_FUNCTION(Runtime_IsRegExp) {
   SealHandleScope shs(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_CHECKED(Object, obj, 0);
   return isolate->heap()->ToBoolean(obj->IsJSRegExp());
 }
 }  // namespace internal
 }  // namespace v8