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libstdc++: Tweak common_iterator::operator-> return type [PR104443] 

This adjusts the return type to match the resolution of LWG 3672. There
is no functional difference, because decltype(auto) always deduced a
value anyway, but this makes it simpler and consistent with the working
draft.

libstdc++-v3/ChangeLog:

	PR libstdc++/104443
	* include/bits/stl_iterator.h (common_iterator::operator->):
	Change return type to just auto.

(cherry picked from commit b5f5d1b36e)
This commit is contained in:
Jonathan Wakely 2022-07-28 20:55:51 +01:00
parent 7a0ed28d4f
commit 1a9681e609
1 changed files with 1 additions and 1 deletions
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libstdc++-v3/include/bits/stl_iterator.h
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@ -2043,7 +2043,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
}
[[nodiscard]]
constexpr decltype(auto)
constexpr auto
operator->() const requires __detail::__common_iter_has_arrow<_It>
{
__glibcxx_assert(_M_index == 0);