{"action":"created","comment":{"url":"https://api.github.com/repos/JuliaLang/julia/pulls/comments/59069921","id":59069921,"diff_hunk":"@@ -166,15 +166,7 @@ end\n \n ## Permute array dims ##\n \n-function permutedims(B::AbstractArray, perm)\n-    dimsB = size(B)\n-    ndimsB = length(dimsB)\n-    (ndimsB == length(perm) && isperm(perm)) || throw(ArgumentError(\"no valid permutation of dimensions\"))\n-    dimsP = ntuple(i->dimsB[perm[i]], ndimsB)::typeof(dimsB)\n-    P = similar(B, dimsP)\n-    permutedims!(P, B, perm)\n-end\n-\n+permutedims(B::AbstractArray, perm) = permutedims(convert(Array, B), perm)\n ","path":"base/abstractarraymath.jl","position":14,"original_position":14,"commit_id":"c60c9c8754cd4af0d46b2e67225355e9f1546d15","original_commit_id":"c60c9c8754cd4af0d46b2e67225355e9f1546d15","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},"body":"why converting to Array instead of similar?","created_at":"2016-04-08T18:33:04Z","updated_at":"2016-04-08T18:33:04Z","html_url":"https://github.com/JuliaLang/julia/pull/15810#discussion_r59069921","pull_request_url":"https://api.github.com/repos/JuliaLang/julia/pulls/15810","_links":{"self":{"href":"https://api.github.com/repos/JuliaLang/julia/pulls/comments/59069921"},"html":{"href":"https://github.com/JuliaLang/julia/pull/15810#discussion_r59069921"},"pull_request":{"href":"https://api.github.com/repos/JuliaLang/julia/pulls/15810"}}},"pull_request":{"url":"https://api.github.com/repos/JuliaLang/julia/pulls/15810","id":65814183,"html_url":"https://github.com/JuliaLang/julia/pull/15810","diff_url":"https://github.com/JuliaLang/julia/pull/15810.diff","patch_url":"https://github.com/JuliaLang/julia/pull/15810.patch","issue_url":"https://api.github.com/repos/JuliaLang/julia/issues/15810","number":15810,"state":"open","locked":false,"title":"Fixes to permutedims and convert","user":{"login":"timholy","id":1525481,"avatar_url":"https://avatars.githubusercontent.com/u/1525481?v=3","gravatar_id":"","url":"https://api.github.com/users/timholy","html_url":"https://github.com/timholy","followers_url":"https://api.github.com/users/timholy/followers","following_url":"https://api.github.com/users/timholy/following{/other_user}","gists_url":"https://api.github.com/users/timholy/gists{/gist_id}","starred_url":"https://api.github.com/users/timholy/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/timholy/subscriptions","organizations_url":"https://api.github.com/users/timholy/orgs","repos_url":"https://api.github.com/users/timholy/repos","events_url":"https://api.github.com/users/timholy/events{/privacy}","received_events_url":"https://api.github.com/users/timholy/received_events","type":"User","site_admin":false},"body":"These arose in the context of trying to get Images passing its tests on julia-0.5. The changes to `convert` arose largely in the context of eliminating ambiguity warnings. The method in `subarray` is unnecessary (it is redundant with [this method](https://github.com/JuliaLang/julia/blob/c60c9c8754cd4af0d46b2e67225355e9f1546d15/base/array.jl#L198), and therefore only generates additional ambiguities that must be resolved), and the `bitarray` one is a workaround for #15801.\r\n","created_at":"2016-04-08T16:42:44Z","updated_at":"2016-04-08T18:33:04Z","closed_at":null,"merged_at":null,"merge_commit_sha":"b228ebb68bda2c5f29aba8f20fe8854b7f5982d3","assignee":null,"milestone":null,"commits_url":"https://api.github.com/repos/JuliaLang/julia/pulls/15810/commits","review_comments_url":"https://api.github.com/repos/JuliaLang/julia/pulls/15810/comments","review_comment_url":"https://api.github.com/repos/JuliaLang/julia/pulls/comments{/number}","comments_url":"https://api.github.com/repos/JuliaLang/julia/issues/15810/comments","statuses_url":"https://api.github.com/repos/JuliaLang/julia/statuses/c60c9c8754cd4af0d46b2e67225355e9f1546d15","head":{"label":"JuliaLang:teh/images_fixes","ref":"teh/images_fixes","sha":"c60c9c8754cd4af0d46b2e67225355e9f1546d15","user":{"login":"JuliaLang","id":743164,"avatar_url":"https://avatars.githubusercontent.com/u/743164?v=3","gravatar_id":"","url":"https://api.github.com/users/JuliaLang","html_url":"https://github.com/JuliaLang","followers_url":"https://api.github.com/users/JuliaLang/followers","following_url":"https://api.github.com/users/JuliaLang/following{/other_user}","gists_url":"https://api.github.com/users/JuliaLang/gists{/gist_id}","starred_url":"https://api.github.com/users/JuliaLang/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/JuliaLang/subscriptions","organizations_url":"https://api.github.com/users/JuliaLang/orgs","repos_url":"https://api.github.com/users/JuliaLang/repos","events_url":"https://api.github.com/users/JuliaLang/events{/privacy}","received_events_url":"https://api.github.com/users/JuliaLang/received_events","type":"Organization","site_admin":false},"repo":{"id":1644196,"name":"julia","full_name":"JuliaLang/julia","owner":{"login":"JuliaLang","id":743164,"avatar_url":"https://avatars.githubusercontent.com/u/743164?v=3","gravatar_id":"","url":"https://api.github.com/users/JuliaLang","html_url":"https://github.com/JuliaLang","followers_url":"https://api.github.com/users/JuliaLang/followers","following_url":"https://api.github.com/users/JuliaLang/following{/other_user}","gists_url":"https://api.github.com/users/JuliaLang/gists{/gist_id}","starred_url":"https://api.github.com/users/JuliaLang/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/JuliaLang/subscriptions","organizations_url":"https://api.github.com/users/JuliaLang/orgs","repos_url":"https://api.github.com/users/JuliaLang/repos","events_url":"https://api.github.com/users/JuliaLang/events{/privacy}","received_events_url":"https://api.github.com/users/JuliaLang/received_events","type":"Organization","site_admin":false},"private":false,"html_url":"https://github.com/JuliaLang/julia","description":"The 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