https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112997
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|WAITING |RESOLVED Resolution|--- |WONTFIX --- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to cqwrteur from comment #4) > (In reply to Andrew Pinski from comment #1) > > Why are you building libstdc++ sources with clang? I doubt that is > > supported. > > GCC does not support WebAssembly backend Then libstdc++ has not been ported . Or you implement add a WebAssembly backend to GCC.