Regexp parser: Added exception if repetition max < min.

src/parser.cc

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 3770 matching lines @@
       max = RegExpTree::kInfinity;
       Advance();
       break;
     case '?':
       min = 0;
       max = 1;
       Advance();
       break;
     case '{':
       if (ParseIntervalQuantifier(&min, &max)) {
+        if (max < min) {
+          ReportError(CStrVector("numbers out of order in {} quantifier.")
+                      CHECK_FAILED);
+        }
         break;
       } else {
         continue;
       }
     default:
       continue;
     }
     bool is_greedy = true;
     if (current() == '?') {
       is_greedy = false;
@@ skipping 552 matching lines @@
                        start_position,
                        is_expression);
   return result;
 }
 
 
 #undef NEW
 
 
 } }  // namespace v8::internal