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| author | bors <bors@rust-lang.org> | 2021-07-17 17:56:46 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2021-07-17 17:56:46 +0000 |
| commit | 68511b574ffe019a5cb3e9fa92605f80d39167bc (patch) | |
| tree | 67a8c2f57159f448ed38ee933cf56dde3f2e75ce /compiler/rustc_interface/src | |
| parent | c78ebb7bdcfc924a20fd069891ffe1364d6814e7 (diff) | |
| parent | b35ceeeec706e957ee46166e0a8b6d912ac215a3 (diff) | |
| download | rust-68511b574ffe019a5cb3e9fa92605f80d39167bc.tar.gz rust-68511b574ffe019a5cb3e9fa92605f80d39167bc.zip | |
Auto merge of #86676 - cjgillot:localexpn, r=petrochenkov
Make expansions stable for incr. comp. This PR aims to make expansions stable for incr. comp. by using the same architecture as definitions: - the interned identifier `ExpnId` contains a `CrateNum` and a crate-local id; - bidirectional maps `ExpnHash <-> ExpnId` are setup; - incr. comp. on-disk cache saves and reconstructs expansions using their `ExpnHash`. I tried to use as many `LocalExpnId` as I could in the resolver code, but I may have missed a few opportunities. All this will allow to use an `ExpnId` as a query key, and to force this query without recomputing caller queries. For instance, this will be used to implement #85999. r? `@petrochenkov`
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