Details
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Bug
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Resolution: Fixed
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P3: Somewhat important
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6.9.0 Beta2
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None
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0cc41083c (dev), 5b10a1e8b (6.9), be3b8e6a1 (6.8)
Description
Attempting to compile the test with libcpp gives repeating errors that look like this:
/usr/lib/llvm-19/bin/../include/c++/v1/string:2535:5: error: implicit instantiation of undefined template 'std::char_traits<signed char>' 2535 | traits_type::copy(std::__to_address(__p), std::__to_address(__old_p), __n_copy); | ^ /usr/lib/llvm-19/bin/../include/c++/v1/string:2556:3: note: in instantiation of member function 'std::basic_string<signed char>::__grow_by' requested here 2556 | __grow_by(__old_cap, __delta_cap, __old_sz, __n_copy, __n_del, __n_add); | ^ /usr/lib/llvm-19/bin/../include/c++/v1/string:2898:5: note: in instantiation of member function 'std::basic_string<signed char>::__grow_by_without_replace' requested here 2898 | __grow_by_without_replace(__cap, 1, __sz, __sz, 0); | ^ /usr/lib/llvm-19/bin/../include/c++/v1/__iterator/back_insert_iterator.h:57:16: note: in instantiation of member function 'std::basic_string<signed char>::push_back' requested here 57 | container->push_back(__value); | ^ /usr/lib/llvm-19/bin/../include/c++/v1/__algorithm/copy.h:40:17: note: in instantiation of member function 'std::back_insert_iterator<std::basic_string<signed char>>::operator=' requested here 40 | *__result = *__first; | ^ /home/moheim/qt/qt6/qtbase/tests/auto/corelib/text/qbytearrayview/tst_qbytearrayview.cpp:716:10: note: in instantiation of function template specialization 'std::copy<const signed char *, std::back_insert_iterator<std::basic_string<signed char>>>' requested here 716 | std::copy(data, data + s.size(), std::back_inserter(c)); | ^ /home/moheim/qt/qt6/qtbase/tests/auto/corelib/text/qbytearrayview/tst_qbytearrayview.cpp:726:5: note: in instantiationof function template specialization 'tst_QByteArrayView::fromContainer<signed char, std::basic_string<signed char>>' requested here 726 | fromContainer<Char, std::basic_string<Char>>(); | ^ /home/moheim/qt/qt6/qtbase/tests/auto/corelib/text/qbytearrayview/tst_qbytearrayview.cpp:212:9: note: in instantiationof function template specialization 'tst_QByteArrayView::fromContainers<signed char>' requested here 212 | fromContainers<signed char>(); | ^ /usr/lib/llvm-19/bin/../include/c++/v1/__fwd/string.h:23:29: note: template is declared here 23 | struct _LIBCPP_TEMPLATE_VIS char_traits; | ^
This applies to the tests for uchar, signed char, and std::byte:
void fromUCharContainers() const { fromContainers<uchar>(); } void fromSignedCharContainers() const { fromContainers<signed char>(); } void fromStdByteContainers() const { fromContainers<std::byte>(); }