Fix assertion in RegExp parser to correctly expect stack overflow.

src/parser.cc

 // Copyright 2012 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 4972 matching lines @@
     Reset(start);
     return false;
   }
   *min_out = min;
   *max_out = max;
   return true;
 }
 
 
 uc32 RegExpParser::ParseOctalLiteral() {
-  ASSERT('0' <= current() && current() <= '7');
+  ASSERT(('0' <= current() && current() <= '7') || current() == kEndMarker);
   // For compatibility with some other browsers (not all), we parse
   // up to three octal digits with a value below 256.
   uc32 value = current() - '0';
   Advance();
   if ('0' <= current() && current() <= '7') {
     value = value * 8 + current() - '0';
     Advance();
     if (value < 32 && '0' <= current() && current() <= '7') {
       value = value * 8 + current() - '0';
       Advance();
@@ skipping 345 matching lines @@
       ASSERT(info()->isolate()->has_pending_exception());
     } else {
       result = ParseProgram();
     }
   }
   info()->SetFunction(result);
   return (result != NULL);
 }
 
 } }  // namespace v8::internal