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Suppress GCC 13's -Wmaybe-uninitialized in q_uninitialized_relocate_n

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Its objective is to copy uninitialized content and that's fine.

qcontainertools_impl.h:73:25: error: ‘~~~’ may be used uninitialized [-Werror=maybe-uninitialized]
   73 |             std::memmove(static_cast<void*>(out),
      |             ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
   74 |                          static_cast<const void*>(first),
      |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   75 |                          n * sizeof(T));
      |                          ~~~~~~~~~~~~~~

Change-Id: Ide4dbd0777a44ed0870efffd173917092b671dd0
Reviewed-by: Ahmad Samir <a.samirh78@gmail.com>
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
(cherry picked from commit a26d25be7b782d35a0b03b38dd0785188e1228e1)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
This commit is contained in:
Thiago Macieira 2023-01-10 15:41:04 -08:00 committed by Qt Cherry-pick Bot
parent 1e7ec8620b
commit 36236a66fe
1 changed files with 5 additions and 0 deletions
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5
src/corelib/tools/qcontainertools_impl.h
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@ -56,6 +56,9 @@ static constexpr bool q_points_into_range(const T &p, const C &c) noexcept
std::data(c) + std::distance(std::begin(c), std::end(c)));
}
QT_WARNING_PUSH
QT_WARNING_DISABLE_GCC("-Wmaybe-uninitialized")
template <typename T, typename N>
void q_uninitialized_move_if_noexcept_n(T* first, N n, T* out)
{
@ -81,6 +84,8 @@ void q_uninitialized_relocate_n(T* first, N n, T* out)
}
}
QT_WARNING_POP
template<typename iterator, typename N>
void q_relocate_overlap_n_left_move(iterator first, N n, iterator d_first)
{