Fixed double printing of exceptions when enabeling the debugger....

src/d8.cc

 // Copyright 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 88 matching lines @@
                           bool report_exceptions) {
   HandleScope handle_scope;
   TryCatch try_catch;
   if (i::FLAG_debugger) {
     // When debugging make exceptions appear to be uncaught.
     try_catch.SetVerbose(true);
   }
   Handle<Script> script = Script::Compile(source, name);
   if (script.IsEmpty()) {
     // Print errors that happened during compilation.
-    if (report_exceptions)
+    if (report_exceptions && !i::FLAG_debugger)
       ReportException(&try_catch);
     return false;
   } else {
     Handle<Value> result = script->Run();
     if (result.IsEmpty()) {
       // Print errors that happened during execution.
-      if (report_exceptions)
+      if (report_exceptions && !i::FLAG_debugger)
         ReportException(&try_catch);
       return false;
     } else {
       if (print_result && !result->IsUndefined()) {
         // If all went well and the result wasn't undefined then print
         // the returned value.
         String::Utf8Value str(result);
         printf("%s\n", *str);
       }
       return true;
@@ skipping 343 matching lines @@
   return 0;
 }
 
 
 }  // namespace v8
 
 
 int main(int argc, char* argv[]) {
   return v8::Shell::Main(argc, argv);
 }