[Ruby 1.9 - Bug #408] (Rejected) Array#[]= 要素数が減るとき

e$B%A%1%C%He(B #408 e$B$,99?7$5$l$^$7$?!#e(B (by Shyouhei U.)

e$B%9%F!<%?%9e(B Opene$B$+$ie(BRejectede$B$KJQ99e(B

e$B$J$k$[$I!#$o$+$j$^$7$?!#e(B

http://redmine.ruby-lang.org/issues/show/408