get rid of these does_not_access_memory/etc, as they hint the optimizer to do things that break js
disable live ranges until I can figure out what's breaking sret loads
drop opt down to -O1 until I can figure out what's causing problems with sret + load instructions on arm
dump 'null' properly in _ejs_dump_value
use EJSVAL_IS_OBJECT instead of not-EJSVAL_IS_PRIMITIVE, as that's true for 'null'
update pirouette