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| author | Patrick Palka <ppalka@redhat.com> | 2021-10-20 21:43:42 -0400 |
|---|---|---|
| committer | Patrick Palka <ppalka@redhat.com> | 2021-10-20 21:43:42 -0400 |
| commit | 1556e447c0fee5c77ccd9bda243d5281e10e895b (patch) | |
| tree | 9e3d2da3a111a26ba4ed0d8e146e81c3e539c50d | |
| parent | 2d3ac6039074832978ce9bcd41ba93ef4812458f (diff) | |
| download | gcc-1556e447c0fee5c77ccd9bda243d5281e10e895b.zip gcc-1556e447c0fee5c77ccd9bda243d5281e10e895b.tar.gz gcc-1556e447c0fee5c77ccd9bda243d5281e10e895b.tar.bz2 | |
libstdc++: Implement LWG 3595 changes to common_iterator
libstdc++-v3/ChangeLog:
* include/bits/stl_iterator.h (common_iterator::__arrow_proxy):
Make fully constexpr as per LWG 3595.
(common_iterator::__postfix_proxy): Likewise.
| -rw-r--r-- | libstdc++-v3/include/bits/stl_iterator.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libstdc++-v3/include/bits/stl_iterator.h b/libstdc++-v3/include/bits/stl_iterator.h index 8afd675..0090b2d 100644 --- a/libstdc++-v3/include/bits/stl_iterator.h +++ b/libstdc++-v3/include/bits/stl_iterator.h @@ -1821,13 +1821,14 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION { iter_value_t<_It> _M_keep; + constexpr __arrow_proxy(iter_reference_t<_It>&& __x) : _M_keep(std::move(__x)) { } friend class common_iterator; public: - const iter_value_t<_It>* + constexpr const iter_value_t<_It>* operator->() const noexcept { return std::__addressof(_M_keep); } }; @@ -1836,13 +1837,14 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION { iter_value_t<_It> _M_keep; + constexpr __postfix_proxy(iter_reference_t<_It>&& __x) : _M_keep(std::forward<iter_reference_t<_It>>(__x)) { } friend class common_iterator; public: - const iter_value_t<_It>& + constexpr const iter_value_t<_It>& operator*() const noexcept { return _M_keep; } }; |