Properly process try/finally blocks.

src/d8.cc

 // Copyright 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 109 matching lines @@
   }
   Handle<Script> script = Script::Compile(source, name);
   if (script.IsEmpty()) {
     // Print errors that happened during compilation.
     if (report_exceptions && !i::FLAG_debugger)
       ReportException(&try_catch);
     return false;
   } else {
     Handle<Value> result = script->Run();
     if (result.IsEmpty()) {
+      ASSERT(try_catch.HasCaught());
       // Print errors that happened during execution.
       if (report_exceptions && !i::FLAG_debugger)
         ReportException(&try_catch);
       return false;
     } else {
+      ASSERT(!try_catch.HasCaught());
       if (print_result && !result->IsUndefined()) {
         // If all went well and the result wasn't undefined then print
         // the returned value.
         v8::String::Utf8Value str(result);
         const char* cstr = ToCString(str);
         printf("%s\n", cstr);
       }
       return true;
     }
   }
@@ skipping 630 matching lines @@
   return 0;
 }
 
 
 }  // namespace v8
 
 
 int main(int argc, char* argv[]) {
   return v8::Shell::Main(argc, argv);
 }