error: use of undeclared identifier 'FE_DIVBYZERO'

[marxin]

Isolated from the tramp3d benchmark:

#include <cfenv>
int main() { FE_DIVBYZERO; }

❯ clang++ --version
clang version 21.1.6
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
~/Programming
❯ clang++ fp.cc
❯ wasix++ --version
wasix++ version: 0.2.4
❯ wasix++ fp.cc
fp.cc:2:14: error: use of undeclared identifier 'FE_DIVBYZERO'
    2 | int main() { FE_DIVBYZERO; }
      |              ^~~~~~~~~~~~
1 error generated.
Error: Command failed with status: exit status: 1; the command was: PATH="/home/marxin/.wasixcc/binaryen/bin:/home/marxin/.local/bin:/home/marxin/.local/share/omarchy/bin:/home/marxin/.cargo/bin:/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/lib/jvm/default/bin:/usr/bin/site_perl:/usr/bin/vendor_perl:/usr/bin/core_perl:/usr/lib/rustup/bin" "/home/marxin/.wasixcc/llvm/bin/clang++" "--sysroot" "/home/marxin/.wasixcc/sysroot/sysroot" "--target=wasm32-wasi" "-c" "-matomics" "-mbulk-memory" "-mmutable-globals" "-pthread" "-mthread-model" "posix" "-fno-trapping-math" "-D_WASI_EMULATED_MMAN" "-D_WASI_EMULATED_SIGNAL" "-D_WASI_EMULATED_PROCESS_CLOCKS" "-ftls-model=local-exec" "fp.cc" "-o" "/tmp/.tmplWaTXX/fp.cc.0.o"