{"action":"created","issue":{"url":"https://api.github.com/repos/JuliaLang/julia/issues/16503","repository_url":"https://api.github.com/repos/JuliaLang/julia","labels_url":"https://api.github.com/repos/JuliaLang/julia/issues/16503/labels{/name}","comments_url":"https://api.github.com/repos/JuliaLang/julia/issues/16503/comments","events_url":"https://api.github.com/repos/JuliaLang/julia/issues/16503/events","html_url":"https://github.com/JuliaLang/julia/pull/16503","id":156119643,"number":16503,"title":"Fix SegFault on LLVM 3.8.0","user":{"login":"yuyichao","id":712232,"avatar_url":"https://avatars.githubusercontent.com/u/712232?v=3","gravatar_id":"","url":"https://api.github.com/users/yuyichao","html_url":"https://github.com/yuyichao","followers_url":"https://api.github.com/users/yuyichao/followers","following_url":"https://api.github.com/users/yuyichao/following{/other_user}","gists_url":"https://api.github.com/users/yuyichao/gists{/gist_id}","starred_url":"https://api.github.com/users/yuyichao/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/yuyichao/subscriptions","organizations_url":"https://api.github.com/users/yuyichao/orgs","repos_url":"https://api.github.com/users/yuyichao/repos","events_url":"https://api.github.com/users/yuyichao/events{/privacy}","received_events_url":"https://api.github.com/users/yuyichao/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":5,"created_at":"2016-05-21T20:16:31Z","updated_at":"2016-05-21T22:43:21Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/JuliaLang/julia/pulls/16503","html_url":"https://github.com/JuliaLang/julia/pull/16503","diff_url":"https://github.com/JuliaLang/julia/pull/16503.diff","patch_url":"https://github.com/JuliaLang/julia/pull/16503.patch"},"body":"This is due to a LLVM bug which sets the wrong alignment on a scalar load\r\nunpacked from an aligned aggregate load.\r\n\r\nThis is very similar to the issue in https://github.com/JuliaLang/julia/pull/15417#issuecomment-213264771 although the transformation is somehow visible in `code_llvm` and not only `code_native` so more tests are needed on windows (all tests passes on linux for me with this patch).\r\n\r\nThe bug was introduced by http://reviews.llvm.org/D17158 which was applied on 3.8 branch in https://github.com/llvm-mirror/llvm/commit/7a0ec464f16e761602ac9c4e1f610029c0346745. This is fixed on the LLVM master in https://github.com/llvm-mirror/llvm/commit/7aec7512923b9fdf5bb67782fe8c4f4249168a45 5 days after but was not backported....\r\n"},"comment":{"url":"https://api.github.com/repos/JuliaLang/julia/issues/comments/220804272","html_url":"https://github.com/JuliaLang/julia/pull/16503#issuecomment-220804272","issue_url":"https://api.github.com/repos/JuliaLang/julia/issues/16503","id":220804272,"user":{"login":"tkelman","id":5934628,"avatar_url":"https://avatars.githubusercontent.com/u/5934628?v=3","gravatar_id":"","url":"https://api.github.com/users/tkelman","html_url":"https://github.com/tkelman","followers_url":"https://api.github.com/users/tkelman/followers","following_url":"https://api.github.com/users/tkelman/following{/other_user}","gists_url":"https://api.github.com/users/tkelman/gists{/gist_id}","starred_url":"https://api.github.com/users/tkelman/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/tkelman/subscriptions","organizations_url":"https://api.github.com/users/tkelman/orgs","repos_url":"https://api.github.com/users/tkelman/repos","events_url":"https://api.github.com/users/tkelman/events{/privacy}","received_events_url":"https://api.github.com/users/tkelman/received_events","type":"User","site_admin":false},"created_at":"2016-05-21T22:43:21Z","updated_at":"2016-05-21T22:43:21Z","body":"Confirmed fixes the segfault in the subarray test on win64."}}
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