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| author | bors <bors@rust-lang.org> | 2021-12-16 02:21:30 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2021-12-16 02:21:30 +0000 |
| commit | 9e1aff82e696c0edb568656ae6b509a9ab4d6c92 (patch) | |
| tree | 8dca31962f21371e94cd90d4509f00dd4c168248 /compiler/rustc_codegen_llvm/src | |
| parent | 69ac533527025fffa37ad1bc4d82b3bc65f90264 (diff) | |
| parent | 535278aa511da21ae091837b89c603ef4aeeb014 (diff) | |
| download | rust-9e1aff82e696c0edb568656ae6b509a9ab4d6c92.tar.gz rust-9e1aff82e696c0edb568656ae6b509a9ab4d6c92.zip | |
Auto merge of #89836 - pierwill:fix-85142-crate-hash, r=wesleywiser
Include rustc version in `rustc_span::StableCrateId` `rustc_span::def_id::StableCrateId` is a hash of various data about a crate during compilation. This PR includes the version of `rustc` in the input when computing this hash. From a cursory reading of [RFC 2603](https://rust-lang.github.io/rfcs/2603-rust-symbol-name-mangling-v0.html), this appears to be acceptable within that design. In order to pass the `mir-opt` and `ui` test suites, this adds new [normalization for hashes and symbol names in `compiletest`](https://github.com/rust-lang/rust/pull/89836/files#diff-03a0567fa80ca04ed5a55f9ac5c711b4f84659be2d0ac4a984196d581c04f76b). These are enabled by default, but we might prefer it to be configurable. In the UI tests, I had to truncate a significant amount of error annotations in v0 symbols (and maybe some legacy) in order to get the normalization to work correctly. (See https://github.com/rust-lang/rust/issues/90116.) Closes #85142.
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