merge revision(s) 44772: [Backport #9430]
benchmark/driver: avoid large alloc in driver process * benchmark/driver: avoid large alloc in driver process
[ruby-core:59869] [Bug #9430]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@45121 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 44772: [Backport #9430]
[ruby-core:59869] [Bug #9430]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@45121 b2dd03c8-39d4-4d8f-98ff-823fe69b080e