https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126966
--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> --- Yes, because those features are not implemented yet.
[Bug c++/126966] feature-test-macros __cpp_lib_constexpr_cmath and __cpp_lib_constexpr_complex not work
redi at gcc dot gnu.org via Gcc-bugs Thu, 20 Aug 2026 08:36:39 -0700
- [Bug c++/126966] New: feature-t... gero.peterhoff at gmx dot net via Gcc-bugs
- [Bug c++/126966] feature-t... redi at gcc dot gnu.org via Gcc-bugs
- [Bug c++/126966] feature-t... redi at gcc dot gnu.org via Gcc-bugs
