{"action":"created","issue":{"url":"https://api.github.com/repos/dotnet/llilc/issues/915","labels_url":"https://api.github.com/repos/dotnet/llilc/issues/915/labels{/name}","comments_url":"https://api.github.com/repos/dotnet/llilc/issues/915/comments","events_url":"https://api.github.com/repos/dotnet/llilc/issues/915/events","html_url":"https://github.com/dotnet/llilc/pull/915","id":114379588,"number":915,"title":"Disable CodeGen prepare GcOpts","user":{"login":"swaroop-sridhar","id":8977622,"avatar_url":"https://avatars.githubusercontent.com/u/8977622?v=3","gravatar_id":"","url":"https://api.github.com/users/swaroop-sridhar","html_url":"https://github.com/swaroop-sridhar","followers_url":"https://api.github.com/users/swaroop-sridhar/followers","following_url":"https://api.github.com/users/swaroop-sridhar/following{/other_user}","gists_url":"https://api.github.com/users/swaroop-sridhar/gists{/gist_id}","starred_url":"https://api.github.com/users/swaroop-sridhar/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/swaroop-sridhar/subscriptions","organizations_url":"https://api.github.com/users/swaroop-sridhar/orgs","repos_url":"https://api.github.com/users/swaroop-sridhar/repos","events_url":"https://api.github.com/users/swaroop-sridhar/events{/privacy}","received_events_url":"https://api.github.com/users/swaroop-sridhar/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/dotnet/llilc/labels/cla-already-signed","name":"cla-already-signed","color":"009800"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-10-31T01:15:15Z","updated_at":"2015-10-31T01:15:30Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/dotnet/llilc/pulls/915","html_url":"https://github.com/dotnet/llilc/pull/915","diff_url":"https://github.com/dotnet/llilc/pull/915.diff","patch_url":"https://github.com/dotnet/llilc/pull/915.patch"},"body":"CodegenPrepare's gc-opt turns gc.relocate for derived pointers\r\ninto GEP from the relocated base-pointer.\r\n\r\nHowever, this optimization seems to assume that the base-pointer's\r\ngc.relocate always appears before the derived pointer's gc.relocate.\r\nHowever, RewriteStatepointsForGC phase does not enforce this, which\r\nleads to an incorrect transformation.\r\n\r\nSo, disable the optimization until this issue is fixed.\r\nFurther details: Issue #914"},"comment":{"url":"https://api.github.com/repos/dotnet/llilc/issues/comments/152682965","html_url":"https://github.com/dotnet/llilc/pull/915#issuecomment-152682965","issue_url":"https://api.github.com/repos/dotnet/llilc/issues/915","id":152682965,"user":{"login":"swaroop-sridhar","id":8977622,"avatar_url":"https://avatars.githubusercontent.com/u/8977622?v=3","gravatar_id":"","url":"https://api.github.com/users/swaroop-sridhar","html_url":"https://github.com/swaroop-sridhar","followers_url":"https://api.github.com/users/swaroop-sridhar/followers","following_url":"https://api.github.com/users/swaroop-sridhar/following{/other_user}","gists_url":"https://api.github.com/users/swaroop-sridhar/gists{/gist_id}","starred_url":"https://api.github.com/users/swaroop-sridhar/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/swaroop-sridhar/subscriptions","organizations_url":"https://api.github.com/users/swaroop-sridhar/orgs","repos_url":"https://api.github.com/users/swaroop-sridhar/repos","events_url":"https://api.github.com/users/swaroop-sridhar/events{/privacy}","received_events_url":"https://api.github.com/users/swaroop-sridhar/received_events","type":"User","site_admin":false},"created_at":"2015-10-31T01:15:30Z","updated_at":"2015-10-31T01:15:30Z","body":"@AndyAyersMS  please review\r\n"}}