message: [TypeSystem] Restrict use of Darwin-specific symbols to fix a bot.
diff: @@ -1616,6 +1616,7 @@ lldb::TypeSystemSP SwiftASTContext::CreateInstance(lldb::LanguageType language,
  bool read_options_from_ast = false;
  ModuleSP exe_module_sp(target->GetExecutableModule());
  +#ifdef __APPLE__
  // If we're debugging a testsuite, then treat the main test bundle as the
  // executable.
  if (exe_module_sp &&
  @@ -1627,6 +1628,7 @@ lldb::TypeSystemSP SwiftASTContext::CreateInstance(lldb::LanguageType language,
  exe_module_sp = unit_test_module;
  }
  }
  +#endif
  if (exe_module_sp) {
  SymbolVendor *sym_vendor = exe_module_sp->GetSymbolVendor();
  