Re: merge YARV

Hi,

murphy wrote:
> benchmark/run_rite.rb:
> -  prog = File.read(file).map{|e| e.rstrip}.join("\n")
> +  prog = File.read(file).lines.map{|e| e.rstrip}.join("\n")

I'll fix it.

> So I "make benchmark":
> 
> Pentomino yields a strange error:
> yarv./benchmark/bm_app_pentomino.rb:21:in `clone': can't modify array
> during iteration (RuntimeError)
>         from ./benchmark/bm_app_pentomino.rb:21:in `block in piece'
>         from ./benchmark/bm_app_pentomino.rb:16:in `each'
>         from ./benchmark/bm_app_pentomino.rb:16:in `piece'
>         from ./benchmark/bm_app_pentomino.rb:47:in `mkpieces'
>         from ./benchmark/bm_app_pentomino.rb:126:in `<main>'
> 
> Exceptions seem to be slower then with the old interpreter. But
> everything else is much faster.

It's seems affect of last enum spec change.  we can't modify an array
during iteration:

ary = [1, 2]
ary.each{
  p ary.clone #=> same error
}

... why Array#clone is prohibited?  In rb_ary_initialize(), cloned array
is checked by ary_iter_check(), but a flag ARY_ITERLOCK should not be
set by Object#clone.

-- 
// SASADA Koichi at atdot dot net