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libstdc++: Use __cpp_lib_concepts in std::reverse_iterator [PR104098]
authorJonathan Wakely <jwakely@redhat.com>
Tue, 18 Jan 2022 15:34:24 +0000 (15:34 +0000)
committerJonathan Wakely <jwakely@redhat.com>
Tue, 26 Apr 2022 13:11:01 +0000 (14:11 +0100)
commit5c8f58be95d666e08221447d43d84782e1e6fb95
tree1c87bc501b3b4b19f47349aac1173d0f1196ce2etree
parent01c72ccad94e4f7b71504e502cba43d62b658143commit | diff
libstdc++: Use __cpp_lib_concepts in std::reverse_iterator [PR104098]

We should not assume that std::iter_value_t etc. are defined
unconditionally for C++20 mode.

libstdc++-v3/ChangeLog:

PR libstdc++/104098
* include/bits/stl_iterator.h (reverse_iterator): Check
__cpp_lib_concepts instead of __cplusplus.

(cherry picked from commit e13e95bd274148a825bc9527efac49e99080dd64)
libstdc++-v3/include/bits/stl_iterator.h diff | blob | blame | history
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