[Bug #2074] json $B$N(B j $B$d(B jj $B$O(B module_function $B$K$9$k$Y$-!)(B

[Yui_NARUSE]

e$B%A%1%C%He(B #2074 e$B$,99?7$5$l$^$7$?!#e(B (by Yui NARUSE)

Target version 1.9.2e$B$K%;%C%He(B

je$B$de(Bjje$B$,JQ?t$J$I$GKd$^$C$F$$$F$b8F$Y$k$H$$$&%a%j%C%H$O$"$j$^$9$M!#e(B
e$B$I$A$i$K$7$F$b!"e(BRubye$BA4BN$H$7$FJ}?K$r9g$o$;$?J}$,$$$$$+$J$H;W$$$^$9!#e(B

http://redmine.ruby-lang.org/issues/show/2074