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This PR in combination with that `ena` PR reduces instruction counts by up to 6% on benchmarks.\r\n\r\nr? @nikomatsakis. Note that this isn't quite ready for landing, because the `ena` dependency in the first commit needs to be updated once https://github.com/rust-lang-nursery/ena/pull/14 lands. But otherwise it should be good."},"comment":{"url":"https://api.github.com/repos/rust-lang/rust/issues/comments/440912096","html_url":"https://github.com/rust-lang/rust/pull/55906#issuecomment-440912096","issue_url":"https://api.github.com/repos/rust-lang/rust/issues/55906","id":440912096,"node_id":"MDEyOklzc3VlQ29tbWVudDQ0MDkxMjA5Ng==","user":{"login":"rust-timer","id":12471139,"node_id":"MDQ6VXNlcjEyNDcxMTM5","avatar_url":"https://avatars0.githubusercontent.com/u/12471139?v=4","gravatar_id":"","url":"https://api.github.com/users/rust-timer","html_url":"https://github.com/rust-timer","followers_url":"https://api.github.com/users/rust-timer/followers","following_url":"https://api.github.com/users/rust-timer/following{/other_user}","gists_url":"https://api.github.com/users/rust-timer/gists{/gist_id}","starred_url":"https://api.github.com/users/rust-timer/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/rust-timer/subscriptions","organizations_url":"https://api.github.com/users/rust-timer/orgs","repos_url":"https://api.github.com/users/rust-timer/repos","events_url":"https://api.github.com/users/rust-timer/events{/privacy}","received_events_url":"https://api.github.com/users/rust-timer/received_events","type":"User","site_admin":false},"created_at":"2018-11-22T04:50:29Z","updated_at":"2018-11-22T04:50:29Z","author_association":"NONE","body":"Finished benchmarking try commit 2f28ba5f132d52fb788e30c86134b325180d16c5"}}
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