ys               2040 src/class.c        ScmClass **ys = y->specializers;
ys               2044 src/class.c            if (xs[i] != ys[i]) {
ys               2047 src/class.c                if (ys[i] == ac) return FALSE;
ys               2050 src/class.c                    if (ys[i] == *acpl) return FALSE;