Now remembers to compile regexps for regexp interpreter.

src/jsregexp.cc

 // Copyright 2006-2009 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 599 matching lines @@
       ASSERT(Top::has_pending_exception());
       return Handle<Object>::null();
     }
     ASSERT(res == RegExpMacroAssemblerIA32::SUCCESS
         || res == RegExpMacroAssemblerIA32::FAILURE);
 
     rc = (res == RegExpMacroAssemblerIA32::SUCCESS);
 #endif
   } else {
     bool is_ascii = StringShape(*subject).IsAsciiRepresentation();
+    if (!EnsureCompiledIrregexp(jsregexp, is_ascii)) {
+      return Handle<Object>::null();
+    }
     for (int i = number_of_capture_registers - 1; i >= 0; i--) {
       offsets_vector[i] = -1;
     }
     Handle<ByteArray> byte_codes(IrregexpByteCode(*regexp, is_ascii));
 
     rc = IrregexpInterpreter::Match(byte_codes,
                                     subject,
                                     offsets_vector,
                                     previous_index);
   }
@@ skipping 3983 matching lines @@
   EmbeddedVector<byte, 1024> codes;
   RegExpMacroAssemblerIrregexp macro_assembler(codes);
   return compiler.Assemble(&macro_assembler,
                            node,
                            data->capture_count,
                            pattern);
 }
 
 
 }}  // namespace v8::internal