https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109261
--- Comment #17 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-11 branch has been updated by Matthias Kretz <mkr...@gcc.gnu.org>: https://gcc.gnu.org/g:f2299a4b2769941cd995e3a0530ff243153fcea2 commit r11-10821-gf2299a4b2769941cd995e3a0530ff243153fcea2 Author: Matthias Kretz <m.kr...@gsi.de> Date: Tue May 23 23:48:49 2023 +0200 libstdc++: Add missing constexpr to simd_neon Signed-off-by: Matthias Kretz <m.kr...@gsi.de> libstdc++-v3/ChangeLog: PR libstdc++/109261 * include/experimental/bits/simd_neon.h (_S_reduce): Add constexpr and make NEON implementation conditional on not __builtin_is_constant_evaluated. (cherry picked from commit b0a483b0a011f9cbc8b25053eae809c77dae2a12)