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authorbors[bot] <26634292+bors[bot]@users.noreply.github.com>2019-11-25 02:42:17 +0000
committerGitHub <[email protected]>2019-11-25 02:42:17 +0000
commita888441c4745c3d72bee737c69873dfc9f52f4bb (patch)
treec1593cd79a2c0d111f62898f62126c5b01cf9692 /crates/ra_cfg
parentf7f9757b6b144385ab8ce57b15764473b1f57331 (diff)
parentceb13a0494bed37b233bcaaeee70bfae5fefeccc (diff)
Merge #2392
2392: Fix panic during the expansion of `column!` r=edwin0cheng a=marcogroppo Fixes #2379. Well, this isn't the "proper" fix but it doesn't hurt, IMHO. The problem is that `to_col_number`, called by `column_expand`, receives a position number that isn't included in the text range of the file. My (very limited) understanding is that the text is the one of the original file, while `pos` is relative to something else, probably the text of the macro. Notice that in this case the `column!` expansion seems to be triggered by `assert_eq!`, so we're in the middle of another expansion. This PR simply avoids the panic by checking the length of the text. r? @edwin0cheng Co-authored-by: Marco Groppo <[email protected]>
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