stop overusing static!!!

Author: ChrisRackauckas

ext/static/array_index.jl

@@ -12,7 +12,7 @@ end
     return _strides2int(offsets(x), static_strides(x), Tuple(i)) + static(1)
 end
 @generated function _strides2int(o::O, s::S, i::I) where {O,S,I}
-    N = known_length(S)
+    N = length(S)
     out = :()
     for i in 1:N
         tmp = :(((getfield(i, $i) - getfield(o, $i)) * getfield(s, $i)))