------- Comment #1 from pinskia at gcc dot gnu dot org 2007-07-02 17:32 ------- Actually (AVRational) {25,1} is a compound literal but not a constant.
What options are you using? It is a GCC extension this is a constant really. Now we do error out for -std=gnu99. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32588