22b6b5d6cf
The overload for byte types uses memset and isn't constexpr. This adds the specifier and uses std::is_constant_evaluated() to provide a compile-time alternative. PR libstdc++/94933 * include/bits/stl_algobase.h (__fill_a1): Make overload for byte types usable in constant expressions. * testsuite/25_algorithms/fill_n/constexpr.cc: Test with bytes and non-scalars. |
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