{"action":"created","issue":{"url":"https://api.github.com/repos/mono/mono/issues/7093","repository_url":"https://api.github.com/repos/mono/mono","labels_url":"https://api.github.com/repos/mono/mono/issues/7093/labels{/name}","comments_url":"https://api.github.com/repos/mono/mono/issues/7093/comments","events_url":"https://api.github.com/repos/mono/mono/issues/7093/events","html_url":"https://github.com/mono/mono/issues/7093","id":297979421,"number":7093,"title":"Regression in generic method parameter handling","user":{"login":"slide","id":55871,"avatar_url":"https://avatars2.githubusercontent.com/u/55871?v=4","gravatar_id":"","url":"https://api.github.com/users/slide","html_url":"https://github.com/slide","followers_url":"https://api.github.com/users/slide/followers","following_url":"https://api.github.com/users/slide/following{/other_user}","gists_url":"https://api.github.com/users/slide/gists{/gist_id}","starred_url":"https://api.github.com/users/slide/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/slide/subscriptions","organizations_url":"https://api.github.com/users/slide/orgs","repos_url":"https://api.github.com/users/slide/repos","events_url":"https://api.github.com/users/slide/events{/privacy}","received_events_url":"https://api.github.com/users/slide/received_events","type":"User","site_admin":false},"labels":[{"id":769619854,"url":"https://api.github.com/repos/mono/mono/labels/area-Runtime:%20JIT","name":"area-Runtime: JIT","color":"d4c5f9","default":false},{"id":781950435,"url":"https://api.github.com/repos/mono/mono/labels/regression","name":"regression","color":"7FFF00","default":false}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":{"url":"https://api.github.com/repos/mono/mono/milestones/2","html_url":"https://github.com/mono/mono/milestone/2","labels_url":"https://api.github.com/repos/mono/mono/milestones/2/labels","id":2972469,"number":2,"title":"2017-12","description":"","creator":{"login":"marek-safar","id":250852,"avatar_url":"https://avatars1.githubusercontent.com/u/250852?v=4","gravatar_id":"","url":"https://api.github.com/users/marek-safar","html_url":"https://github.com/marek-safar","followers_url":"https://api.github.com/users/marek-safar/followers","following_url":"https://api.github.com/users/marek-safar/following{/other_user}","gists_url":"https://api.github.com/users/marek-safar/gists{/gist_id}","starred_url":"https://api.github.com/users/marek-safar/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/marek-safar/subscriptions","organizations_url":"https://api.github.com/users/marek-safar/orgs","repos_url":"https://api.github.com/users/marek-safar/repos","events_url":"https://api.github.com/users/marek-safar/events{/privacy}","received_events_url":"https://api.github.com/users/marek-safar/received_events","type":"User","site_admin":false},"open_issues":4,"closed_issues":73,"state":"open","created_at":"2017-12-11T18:23:01Z","updated_at":"2018-02-19T16:47:43Z","due_on":null,"closed_at":null},"comments":0,"created_at":"2018-02-17T04:55:34Z","updated_at":"2018-02-19T16:48:06Z","closed_at":null,"author_association":"CONTRIBUTOR","body":"## Steps to Reproduce\r\n\r\n1. Unzip the attachment\r\n2. Run ```mono ipy.exe doit.py``\r\n\r\n[ironpython_parameter_issue.zip](https://github.com/mono/mono/files/1733429/ironpython_parameter_issue.zip)\r\n\r\n## Current Behavior\r\n\r\nCurrent behavior is that the method is called successfully, you see the message \"You are here\" printed on the console. \r\n\r\n## Expected Behavior\r\n\r\nThis should not work as an `int[]` is not an `IEnumerator<int>`. This started failing in the IronPython unit tests on Mono 5.8. It throws an exception as expected on previous versions. On MS.NET I get the following when running the reproduction code as expected\r\n\r\n```\r\nTraceback (most recent call last):\r\n  File \".\\doit.py\", line 7, in <module>\r\nTypeError: expected IEnumerator[int], got Array[int]\r\n```\r\n\r\n### On which platforms did you notice this\r\n\r\n[ ] macOS\r\n[x] Linux\r\n[ ] Windows\r\n\r\n**Version Used**:\r\n\r\nMono JIT compiler version 5.8.0.108 (tarball Fri Jan 19 18:15:21 UTC 2018)\r\nCopyright (C) 2002-2014 Novell, Inc, Xamarin Inc and Contributors. www.mono-project.com\r\n        TLS:           __thread\r\n        SIGSEGV:       altstack\r\n        Notifications: epoll\r\n        Architecture:  amd64\r\n        Disabled:      none\r\n        Misc:          softdebug\r\n        LLVM:          supported, not enabled.\r\n        GC:            sgen (concurrent by default)\r\n\r\n\r\n\r\n\r\n"},"comment":{"url":"https://api.github.com/repos/mono/mono/issues/comments/366747990","html_url":"https://github.com/mono/mono/issues/7093#issuecomment-366747990","issue_url":"https://api.github.com/repos/mono/mono/issues/7093","id":366747990,"user":{"login":"marek-safar","id":250852,"avatar_url":"https://avatars1.githubusercontent.com/u/250852?v=4","gravatar_id":"","url":"https://api.github.com/users/marek-safar","html_url":"https://github.com/marek-safar","followers_url":"https://api.github.com/users/marek-safar/followers","following_url":"https://api.github.com/users/marek-safar/following{/other_user}","gists_url":"https://api.github.com/users/marek-safar/gists{/gist_id}","starred_url":"https://api.github.com/users/marek-safar/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/marek-safar/subscriptions","organizations_url":"https://api.github.com/users/marek-safar/orgs","repos_url":"https://api.github.com/users/marek-safar/repos","events_url":"https://api.github.com/users/marek-safar/events{/privacy}","received_events_url":"https://api.github.com/users/marek-safar/received_events","type":"User","site_admin":false},"created_at":"2018-02-19T16:48:06Z","updated_at":"2018-02-19T16:48:06Z","author_association":"OWNER","body":"@lambdageek could you please investigate"}}
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