{"action":"created","issue":{"url":"https://api.github.com/repos/rust-lang/rust/issues/15391","labels_url":"https://api.github.com/repos/rust-lang/rust/issues/15391/labels{/name}","comments_url":"https://api.github.com/repos/rust-lang/rust/issues/15391/comments","events_url":"https://api.github.com/repos/rust-lang/rust/issues/15391/events","html_url":"https://github.com/rust-lang/rust/issues/15391","id":37133976,"number":15391,"title":"Do something better when there's a mismatch between identical-looking regions","user":{"login":"brson","id":147214,"avatar_url":"https://avatars.githubusercontent.com/u/147214?v=3","gravatar_id":"","url":"https://api.github.com/users/brson","html_url":"https://github.com/brson","followers_url":"https://api.github.com/users/brson/followers","following_url":"https://api.github.com/users/brson/following{/other_user}","gists_url":"https://api.github.com/users/brson/gists{/gist_id}","starred_url":"https://api.github.com/users/brson/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/brson/subscriptions","organizations_url":"https://api.github.com/users/brson/orgs","repos_url":"https://api.github.com/users/brson/repos","events_url":"https://api.github.com/users/brson/events{/privacy}","received_events_url":"https://api.github.com/users/brson/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/rust-lang/rust/labels/A-diagnostics","name":"A-diagnostics","color":"d7e102"},{"url":"https://api.github.com/repos/rust-lang/rust/labels/A-lifetimes","name":"A-lifetimes","color":"d7e102"},{"url":"https://api.github.com/repos/rust-lang/rust/labels/A-typesystem","name":"A-typesystem","color":"d7e102"},{"url":"https://api.github.com/repos/rust-lang/rust/labels/I-papercut","name":"I-papercut","color":"e10c02"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":2,"created_at":"2014-07-04T00:13:37Z","updated_at":"2015-04-28T18:40:37Z","closed_at":null,"body":"It's a very common experience for rustc to tell you it couldn't unify two regions, then print out the span of those regions, only to have them look identical. Seeing enough of these can be rage-inducing.\r\n\r\nI don't have a great concrete suggestion, but even just printing a single region and saying something like 'yeah, I know these regions look the same. sorry', might ease the pain a bit."},"comment":{"url":"https://api.github.com/repos/rust-lang/rust/issues/comments/97165966","html_url":"https://github.com/rust-lang/rust/issues/15391#issuecomment-97165966","issue_url":"https://api.github.com/repos/rust-lang/rust/issues/15391","id":97165966,"user":{"login":"steveklabnik","id":27786,"avatar_url":"https://avatars.githubusercontent.com/u/27786?v=3","gravatar_id":"","url":"https://api.github.com/users/steveklabnik","html_url":"https://github.com/steveklabnik","followers_url":"https://api.github.com/users/steveklabnik/followers","following_url":"https://api.github.com/users/steveklabnik/following{/other_user}","gists_url":"https://api.github.com/users/steveklabnik/gists{/gist_id}","starred_url":"https://api.github.com/users/steveklabnik/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/steveklabnik/subscriptions","organizations_url":"https://api.github.com/users/steveklabnik/orgs","repos_url":"https://api.github.com/users/steveklabnik/repos","events_url":"https://api.github.com/users/steveklabnik/events{/privacy}","received_events_url":"https://api.github.com/users/steveklabnik/received_events","type":"User","site_admin":false},"created_at":"2015-04-28T18:40:37Z","updated_at":"2015-04-28T18:40:37Z","body":"Triage: unsure if this is still a problem, exactly. @brson how do you feel about this now?"}}