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

Message ID 20220729091126.219141-1-jwakely@redhat.com
State New, archived
Headers
Series [committed] libstdc++: Tweak common_iterator::operator-> return type [PR104443] |

Commit Message

Jonathan Wakely July 29, 2022, 9:11 a.m. UTC 
  Tested powerpc64le-linux, pushed to trunk.

-- >8 --

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.
---
 libstdc++-v3/include/bits/stl_iterator.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/libstdc++-v3/include/bits/stl_iterator.h b/libstdc++-v3/include/bits/stl_iterator.h
index 9cd262cd1d9..003cebbec83 100644
--- a/libstdc++-v3/include/bits/stl_iterator.h
+++ b/libstdc++-v3/include/bits/stl_iterator.h
@@ -2058,7 +2058,7 @@  _GLIBCXX_BEGIN_NAMESPACE_VERSION
     }
 
     [[nodiscard]]
-    constexpr decltype(auto)
+    constexpr auto
     operator->() const requires __detail::__common_iter_has_arrow<_It>
     {
       __glibcxx_assert(_M_index == 0);