Method popTopHandler

include/runtime/stackmgr.h:153–167

Pop the top handler on the stack.

  /// Pop the top handler on the stack.
  std::optional<Handler> popTopHandler(uint32_t AssocValSize) noexcept {
    while (!FrameStack.empty()) {
      auto &Frame = FrameStack.back();
      if (!Frame.HandlerStack.empty()) {
        auto TopHandler = std::move(Frame.HandlerStack.back());
        Frame.HandlerStack.pop_back();
        assuming(TopHandler.VPos <= ValueStack.size() - AssocValSize);
        ValueStack.erase(ValueStack.begin() + TopHandler.VPos,
                         ValueStack.end() - AssocValSize);
        return TopHandler;
      }
      FrameStack.pop_back();
    }
    return std::nullopt;
  }

  /// Unsafe remove inactive handler.
  void removeInactiveHandler(AST::InstrView::iterator PC) noexcept {