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8513e78dbb
Fix perf regression in rustdoc::bare_urls This regressed in #81764. After that PR, rustdoc compiled the regex for every single item in the crate: https://perf.rust-lang.org/compare.html?start=125505306744a0a5bb01d62337260a95d9ff8d57&end=2e495d2e845cf27740e3665f718acfd3aa17253e&stat=instructions%3Au This would have been caught by `clippy::declare_interior_mutable_const` (cc https://github.com/rust-lang/rust/issues/77983).
For more information about how librustdoc works, see the rustc dev guide.