https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63861
cesar at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED --- Comment #14 from cesar at gcc dot gnu.org --- Fixed in r231204. Array reductions aren't supported in OpenACC 2.0. So now the fortran front end generates error when it encounters such a reduction.