merge revision(s) 44127: [Backport #9238]

	* insns.def: Fix optimization bug of Float#/ [Bug #9238]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@44326 b2dd03c8-39d4-4d8f-98ff-823fe69b080e