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authorbors <bors@rust-lang.org>2023-09-08 17:20:23 +0000
committerbors <bors@rust-lang.org>2023-09-08 17:20:23 +0000
commit26f4b7272428b181e0a88ad075e5c8f09dcb0e5c (patch)
tree414474d281b3ea7204927e0d2ecce11c9e268e22 /compiler/rustc_lint/src
parent3cd97ed3c3efe11bf6b63d23dce2515238b78a57 (diff)
parentc83eba92518166b9e40f43b40683d74c919af0ed (diff)
downloadrust-26f4b7272428b181e0a88ad075e5c8f09dcb0e5c.tar.gz
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Auto merge of #115418 - Zoxc:freeze-source, r=oli-obk
Use `Freeze` for `SourceFile`

This uses the `Freeze` type in `SourceFile` to let accessing `external_src` and `lines` be lock-free.

Behavior of `add_external_src` is changed to set `ExternalSourceKind::AbsentErr` on a hash mismatch which matches the documentation. `ExternalSourceKind::Unneeded` was removed as it's unused.

Based on https://github.com/rust-lang/rust/pull/115401.
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