62 exception() _GLIBCXX_NOTHROW { }
63 virtual ~exception() _GLIBCXX_TXN_SAFE_DYN _GLIBCXX_NOTHROW;
64#if __cplusplus >= 201103L
65 exception(
const exception&) =
default;
66 exception& operator=(
const exception&) =
default;
67 exception(exception&&) =
default;
68 exception& operator=(exception&&) =
default;
74 what() const _GLIBCXX_TXN_SAFE_DYN _GLIBCXX_NOTHROW;