Remove dynamic check for constant sized vectors
Remove dynamic check for constant sized vectors

The compiler was inserting a runtime check (which was incorrect)
to check the size of vectors whose initial size was known at
compile time, despite the fact that compiler had already performed
the correct check at compile time.

Signed-off-by: Mark Ryan <88ffc4093c40652fbbf052f026a8b6147509f0aa@gmail.com>

markdryan/subtilis,markdryan/subtilis