Fix to work optimizer
Remove unnecessary loop variable
Change RECV opcode to accept local offset
Embed compiler constant directly
Make `tail?` function inline
Hide local functions
Move `macroexpand` to boot
Use pipe for creating self.bin
Make simple functions in Vm inline
Move Macro class definition from vm to object
Add a tool to dump object size
Reduce source code length
Move forward declaration from vm to basic
Fix file comment
Include "build_env.hh" at top of vm.cc
Tweak
Increment pointer in each instruction
Use POP macro to get operands
Remove comment
Reduce source lines