{"action":"created","comment":{"url":"https://api.github.com/repos/lampepfl/dotty/pulls/comments/23498119","id":23498119,"diff_hunk":"@@ -45,8 +45,10 @@ class Compiler {\n       List(new RefChecks,\n            new ElimRepeated,\n            new ElimLocals,\n-           new ExtensionMethods,\n-           new TailRec),\n+           new ExtensionMethods),\n+      List(new TailRec), // TailRec needs to be in its own group for now.\n+                         // Otherwise it produces -Ycheck incorrect code for\n+                         // file core/Decorators.scala.","path":"src/dotty/tools/dotc/Compiler.scala","position":9,"original_position":9,"commit_id":"eb4d80891bcfaf9ffa402ea36f1562c5f597e479","original_commit_id":"eb4d80891bcfaf9ffa402ea36f1562c5f597e479","user":{"login":"smarter","id":63430,"avatar_url":"https://avatars.githubusercontent.com/u/63430?v=3","gravatar_id":"","url":"https://api.github.com/users/smarter","html_url":"https://github.com/smarter","followers_url":"https://api.github.com/users/smarter/followers","following_url":"https://api.github.com/users/smarter/following{/other_user}","gists_url":"https://api.github.com/users/smarter/gists{/gist_id}","starred_url":"https://api.github.com/users/smarter/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/smarter/subscriptions","organizations_url":"https://api.github.com/users/smarter/orgs","repos_url":"https://api.github.com/users/smarter/repos","events_url":"https://api.github.com/users/smarter/events{/privacy}","received_events_url":"https://api.github.com/users/smarter/received_events","type":"User","site_admin":false},"body":"Is this a proper solution or just a hack until #321 is properly fixed?","created_at":"2015-01-24T18:07:24Z","updated_at":"2015-01-24T18:07:24Z","html_url":"https://github.com/lampepfl/dotty/pull/331#discussion_r23498119","pull_request_url":"https://api.github.com/repos/lampepfl/dotty/pulls/331","_links":{"self":{"href":"https://api.github.com/repos/lampepfl/dotty/pulls/comments/23498119"},"html":{"href":"https://github.com/lampepfl/dotty/pull/331#discussion_r23498119"},"pull_request":{"href":"https://api.github.com/repos/lampepfl/dotty/pulls/331"}}},"pull_request":{"url":"https://api.github.com/repos/lampepfl/dotty/pulls/331","id":27098170,"html_url":"https://github.com/lampepfl/dotty/pull/331","diff_url":"https://github.com/lampepfl/dotty/pull/331.diff","patch_url":"https://github.com/lampepfl/dotty/pull/331.patch","issue_url":"https://api.github.com/repos/lampepfl/dotty/issues/331","number":331,"state":"open","locked":false,"title":"Fix/refined subtyping","user":{"login":"odersky","id":795990,"avatar_url":"https://avatars.githubusercontent.com/u/795990?v=3","gravatar_id":"","url":"https://api.github.com/users/odersky","html_url":"https://github.com/odersky","followers_url":"https://api.github.com/users/odersky/followers","following_url":"https://api.github.com/users/odersky/following{/other_user}","gists_url":"https://api.github.com/users/odersky/gists{/gist_id}","starred_url":"https://api.github.com/users/odersky/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/odersky/subscriptions","organizations_url":"https://api.github.com/users/odersky/orgs","repos_url":"https://api.github.com/users/odersky/repos","events_url":"https://api.github.com/users/odersky/events{/privacy}","received_events_url":"https://api.github.com/users/odersky/received_events","type":"User","site_admin":false},"body":"Many fixes to subtyping and constraint solving, which together constitute a big simplification. This was\r\nprompted by the need to \"do the right thing\" for rfefinement types with RefinedThis self references, but \r\nfixes there unravelled a long thread of other problems and fixes.\r\n\r\nThe main changes affect TypeComparer.scala. Because there was some going back on forth with this file it's probably best to view the changes in this file for the PR as a whole instead of looking at individual commits.\r\n\r\nReview by @DarkDimius or @smarter 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