ronlieb wrote:
we are also seeing downstream failures related to this PR, seems to be with
older GCC toolchains such as found on SLES 15 sp6. maybe revert and fix ?
/longer_pathname_so_that_rpms_can_support_packaging_the_debug_info_for_all_os_profiles/src/rocm_bandwidth_test/deps/work_bench/src/task_mgmt.cpp:435:5:
error: no matching function for call to object of type 'const __copy_fn'
435 | std::ranges::copy(task_name |
std::views::take(kMAX_THREAD_NAME_SIZE - 1), current_thread_name.begin());
| ^~~~~~~~~~~~~~~~~
/usr/lib64/gcc/x86_64-suse-linux/13/../../../../include/c++/13/bits/ranges_algobase.h:311:7:
note: candidate template ignored: constraints not satisfied [with _Range =
_Partial<std::ranges::views::_Take, decay_t<const std::basic_string<char,
std::char_traits<char>, std::allocator<char>> &>, decay_t<const int &>>, _Out =
iterator]
311 | operator()(_Range&& __r, _Out __result) const
| ^
/usr/lib64/gcc/x86_64-suse-linux/13/../../../../include/c++/13/bits/ranges_algobase.h:308:14:
note: because '_Partial<std::ranges::views::_Take, decay_t<const
std::basic_string<char, std::char_traits<char>, std::allocator<char>> &>,
decay_t<const int &>>' (aka '_Partial<std::ranges::views::_Take,
std::basic_string<char, std::char_traits<char>, std::allocator<char>>, int>')
does not satisfy 'input_range'
308 | template<input_range _Range, weakly_incrementable _Out>
| ^
/usr/lib64/gcc/x86_64-suse-linux/13/../../../../include/c++/13/bits/ranges_base.h:590:27:
note: because
'std::ranges::views::__adaptor::_Partial<std::ranges::views::_Take,
std::basic_string<char>, int>' does not satisfy 'range'
590 | concept input_range = range<_Tp> && input_iterator<iterator_t<_Tp>>;
| ^
/usr/lib64/gcc/x86_64-suse-linux/13/../../../../include/c++/13/bits/ranges_base.h:503:2:
note: because 'ranges::begin(__t)' would be invalid: no matching function for
call to object of type 'const __cust_access::_Begin'
503 | ranges::begin(__t);
| ^
/usr/lib64/gcc/x86_64-suse-linux/13/../../../../include/c++/13/bits/ranges_algobase.h:301:7:
note: candidate function template not viable: requires 3 arguments, but 2 were
provided
301 | operator()(_Iter __first, _Sent __last, _Out __result) const
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.
https://github.com/llvm/llvm-project/pull/161671
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