Class decrement_on_destroy

src/from_exception.cpp:177–181

constexpr std::size_t kStacktraceDumpSize = 4096;

struct decrement_on_destroy {
  std::size_t& to_decrement;

  ~decrement_on_destroy() { --to_decrement; }
};

#if !BOOST_STACKTRACE_ALWAYS_STORE_IN_PADDING
// Inspired by the coursework by Andrei Nekrashevich in the `libsfe`