message: alive-tv: fix crash when sending output to file
diff: @@ -336,6 +336,8 @@ optimized module refine those in the original one. This provides a
  convenient way to demonstrate an existing optimizer bug.
  )EOF";
  +static ofstream OutFile;
  +
  int main(int argc, char **argv) {
  llvm::sys::PrintStackTraceOnErrorSignal(argv[0]);
  llvm::PrettyStackTraceProgram X(argc, argv);
  @@ -357,11 +359,10 @@ int main(int argc, char **argv) {
  config::debug = opt_debug;
  // optionally, redirect cout and cerr to user-specified file
  - optional<ofstream> OutFile;
  if (!opt_outputfile.empty()) {
  - OutFile.emplace(opt_outputfile);
  - std::cout.rdbuf(OutFile->rdbuf());
  - std::cerr.rdbuf(OutFile->rdbuf());
  + OutFile.open(opt_outputfile);
  + std::cout.rdbuf(OutFile.rdbuf());
  + std::cerr.rdbuf(OutFile.rdbuf());
  }
  auto M1 = openInputFile(Context, opt_file1);
  