https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62205
--- Comment #1 from Victor Porton <porton at narod dot ru> --- It does not work with GNAT GPL 2014. $ gnat compile -gnatc -gnat12 test.ads gcc -c -gnatc -gnat12 test.ads test.ads:19:28: Default Iterator must be a primitive of "Descriptions_List" gnatmake: "test.ads" compilation error