rust-lang/rust — pull request #19517 by csouth3 (2014-12-04 06:40:04+00:00)
Title: No need for feature gate directives for if_let or tuple_indexing anymore

As soon as #19472 lands (as part of #19508), we won't need to use `if let` and `tuple indexing` feature gates anymore. This removes the last remaining instances that I could find throughout the source.