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| author | Patrick Palka <ppalka@redhat.com> | 2021-04-27 14:07:46 -0400 |
|---|---|---|
| committer | Patrick Palka <ppalka@redhat.com> | 2021-04-27 14:07:46 -0400 |
| commit | 85ef4b8d4eb3313a48b79c7e752891f9646bb246 (patch) | |
| tree | dd8c1523f84bc420366f16f48c5d019c1ebb25fb /gcc/ada/gcc-interface/trans.c | |
| parent | c605a8bf92708e81d771426a87b3baddc32082dd (diff) | |
| download | gcc-85ef4b8d4eb3313a48b79c7e752891f9646bb246.zip gcc-85ef4b8d4eb3313a48b79c7e752891f9646bb246.tar.gz gcc-85ef4b8d4eb3313a48b79c7e752891f9646bb246.tar.bz2 | |
libstdc++: Fix up lambda in join_view::_Iterator::operator++ [PR100290]
Currently, the return type of this lambda is decltype(auto), so the
lambda ends up returning a copy of _M_parent->_M_inner rather than a
reference to it when _S_ref_glvalue is false. This means _M_inner and
ranges::end(__inner_range) are respectively an iterator and sentinel for
different ranges, so comparing them is undefined.
libstdc++-v3/ChangeLog:
PR libstdc++/100290
* include/std/ranges (join_view::_Iterator::operator++): Correct
the return type of the lambda to avoid returning a copy of
_M_parent->_M_inner.
* testsuite/std/ranges/adaptors/join.cc (test10): New test.
Diffstat (limited to 'gcc/ada/gcc-interface/trans.c')
0 files changed, 0 insertions, 0 deletions