https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101831
Martin Sebor <msebor at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Known to fail| |11.2.0, 12.0 Summary|Spurious |[11/12 Regression] Spurious |maybe-uninitialized warning |maybe-uninitialized warning |on std::array::size |on std::array::size --- Comment #3 from Martin Sebor <msebor at gcc dot gnu.org> --- Declaring std::array::size() with attribute ((const)) avoids the warning so that might be a solution.