compile.c: tailcall opt for indexers
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52759 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
compile.c: tailcall opt for indexers
optimization for specialized indexers.
Qnil.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52759 b2dd03c8-39d4-4d8f-98ff-823fe69b080e