Aaron Hill cac431ba75 Store a DefId instead of an AdtDef in AggregateKind::Adt ... The `AggregateKind` enum ends up in the final mir `Body`. Currently, any changes to `AdtDef` (regardless of how significant they are) will legitimately cause the overall result of `optimized_mir` to change, invalidating any codegen re-use involving that mir. This will get worse once we start hashing the `Span` inside `FieldDef` (which is itself contained in `AdtDef`). To try to reduce these kinds of invalidations, this commit changes `AggregateKind::Adt` to store just the `DefId`, instead of the full `AdtDef`. This allows the result of `optimized_mir` to be unchanged if the `AdtDef` changes in a way that doesn't actually affect any of the MIR we build.		2021-12-22 14:36:34 -05:00
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src	Store a DefId instead of an AdtDef in AggregateKind::Adt	2021-12-22 14:36:34 -05:00
Cargo.toml	Migrate to 2021	2021-09-20 22:21:42 -04:00