{"action":"created","issue":{"url":"https://api.github.com/repos/rust-lang/rust/issues/54526","repository_url":"https://api.github.com/repos/rust-lang/rust","labels_url":"https://api.github.com/repos/rust-lang/rust/issues/54526/labels{/name}","comments_url":"https://api.github.com/repos/rust-lang/rust/issues/54526/comments","events_url":"https://api.github.com/repos/rust-lang/rust/issues/54526/events","html_url":"https://github.com/rust-lang/rust/pull/54526","id":363088474,"node_id":"MDExOlB1bGxSZXF1ZXN0MjE3NjExNTM4","number":54526,"title":"Shrink `StatementKind`","user":{"login":"nnethercote","id":1940286,"node_id":"MDQ6VXNlcjE5NDAyODY=","avatar_url":"https://avatars1.githubusercontent.com/u/1940286?v=4","gravatar_id":"","url":"https://api.github.com/users/nnethercote","html_url":"https://github.com/nnethercote","followers_url":"https://api.github.com/users/nnethercote/followers","following_url":"https://api.github.com/users/nnethercote/following{/other_user}","gists_url":"https://api.github.com/users/nnethercote/gists{/gist_id}","starred_url":"https://api.github.com/users/nnethercote/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/nnethercote/subscriptions","organizations_url":"https://api.github.com/users/nnethercote/orgs","repos_url":"https://api.github.com/users/nnethercote/repos","events_url":"https://api.github.com/users/nnethercote/events{/privacy}","received_events_url":"https://api.github.com/users/nnethercote/received_events","type":"User","site_admin":false},"labels":[{"id":604489711,"node_id":"MDU6TGFiZWw2MDQ0ODk3MTE=","url":"https://api.github.com/repos/rust-lang/rust/labels/A-NLL","name":"A-NLL","color":"d7e102","default":false},{"id":583426710,"node_id":"MDU6TGFiZWw1ODM0MjY3MTA=","url":"https://api.github.com/repos/rust-lang/rust/labels/S-waiting-on-review","name":"S-waiting-on-review","color":"d3dddd","default":false}],"state":"open","locked":false,"assignee":{"login":"matthewjasper","id":20113453,"node_id":"MDQ6VXNlcjIwMTEzNDUz","avatar_url":"https://avatars1.githubusercontent.com/u/20113453?v=4","gravatar_id":"","url":"https://api.github.com/users/matthewjasper","html_url":"https://github.com/matthewjasper","followers_url":"https://api.github.com/users/matthewjasper/followers","following_url":"https://api.github.com/users/matthewjasper/following{/other_user}","gists_url":"https://api.github.com/users/matthewjasper/gists{/gist_id}","starred_url":"https://api.github.com/users/matthewjasper/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/matthewjasper/subscriptions","organizations_url":"https://api.github.com/users/matthewjasper/orgs","repos_url":"https://api.github.com/users/matthewjasper/repos","events_url":"https://api.github.com/users/matthewjasper/events{/privacy}","received_events_url":"https://api.github.com/users/matthewjasper/received_events","type":"User","site_admin":false},"assignees":[{"login":"matthewjasper","id":20113453,"node_id":"MDQ6VXNlcjIwMTEzNDUz","avatar_url":"https://avatars1.githubusercontent.com/u/20113453?v=4","gravatar_id":"","url":"https://api.github.com/users/matthewjasper","html_url":"https://github.com/matthewjasper","followers_url":"https://api.github.com/users/matthewjasper/followers","following_url":"https://api.github.com/users/matthewjasper/following{/other_user}","gists_url":"https://api.github.com/users/matthewjasper/gists{/gist_id}","starred_url":"https://api.github.com/users/matthewjasper/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/matthewjasper/subscriptions","organizations_url":"https://api.github.com/users/matthewjasper/orgs","repos_url":"https://api.github.com/users/matthewjasper/repos","events_url":"https://api.github.com/users/matthewjasper/events{/privacy}","received_events_url":"https://api.github.com/users/matthewjasper/received_events","type":"User","site_admin":false}],"milestone":null,"comments":5,"created_at":"2018-09-24T10:27:00Z","updated_at":"2018-09-24T14:40:15Z","closed_at":null,"author_association":"CONTRIBUTOR","pull_request":{"url":"https://api.github.com/repos/rust-lang/rust/pulls/54526","html_url":"https://github.com/rust-lang/rust/pull/54526","diff_url":"https://github.com/rust-lang/rust/pull/54526.diff","patch_url":"https://github.com/rust-lang/rust/pull/54526.patch"},"body":"`StatementKind` occurs in significant amounts in Massif profiles."},"comment":{"url":"https://api.github.com/repos/rust-lang/rust/issues/comments/423998570","html_url":"https://github.com/rust-lang/rust/pull/54526#issuecomment-423998570","issue_url":"https://api.github.com/repos/rust-lang/rust/issues/54526","id":423998570,"node_id":"MDEyOklzc3VlQ29tbWVudDQyMzk5ODU3MA==","user":{"login":"nagisa","id":679122,"node_id":"MDQ6VXNlcjY3OTEyMg==","avatar_url":"https://avatars1.githubusercontent.com/u/679122?v=4","gravatar_id":"","url":"https://api.github.com/users/nagisa","html_url":"https://github.com/nagisa","followers_url":"https://api.github.com/users/nagisa/followers","following_url":"https://api.github.com/users/nagisa/following{/other_user}","gists_url":"https://api.github.com/users/nagisa/gists{/gist_id}","starred_url":"https://api.github.com/users/nagisa/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/nagisa/subscriptions","organizations_url":"https://api.github.com/users/nagisa/orgs","repos_url":"https://api.github.com/users/nagisa/repos","events_url":"https://api.github.com/users/nagisa/events{/privacy}","received_events_url":"https://api.github.com/users/nagisa/received_events","type":"User","site_admin":false},"created_at":"2018-09-24T14:40:15Z","updated_at":"2018-09-24T14:40:15Z","author_association":"CONTRIBUTOR","body":"@nnethercote since you’re there, could you try making `Vec` in `StatementKind::Validate` a `Box<[]>` as well? In general nothing in MIR needs to be mutable as far as I can tell (since it is not usually mutable in place)."}}
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