message: [ExpressionParser] Rollback C++98 as the standard for evaluating.
  Some ubuntu bots are failing with this patch in, let me unblock
  while I investigate.
diff: @@ -381,15 +381,7 @@ ClangExpressionParser::ClangExpressionParser(ExecutionContextScope *exe_scope,
  // For now, the expression parser must use C++ anytime the
  // language is a C family language, because the expression parser
  // uses features of C++ to capture values.
  -
  - // Clang now sets as default C++14 as the default standard (with
  - // GNU extensions), so we do the same here to avoid mismatches that
  - // cause compiler error when evaluating expressions (e.g. nullptr
  - // not found as it's a C++11 feature). Currently lldb evaluates
  - // C++14 as C++11 (see two lines below) so we decide to be consistent
  - // with that, but this could be re-evaluated in the future.
  m_compiler->getLangOpts().CPlusPlus = true;
  - m_compiler->getLangOpts().CPlusPlus11 = true;
  break;
  case lldb::eLanguageTypeObjC:
  m_compiler->getLangOpts().ObjC1 = true;
  