Aaron Hill 482a67d20f Properly handle SyntaxContext of dummy spans in incr comp ... Fixes #80336 Due to macro expansion, we may end up with spans with an invalid location and non-root `SyntaxContext`. This commits preserves the `SyntaxContext` of such spans in the incremental cache, and ensures that we always hash the `SyntaxContext` when computing the `Fingerprint` of a `Span` Previously, we would discard the `SyntaxContext` during serialization to the incremental cache, causing the span's `Fingerprint` to change across compilation sessions.		2021-01-13 15:20:29 -05:00
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src	Properly handle SyntaxContext of dummy spans in incr comp	2021-01-13 15:20:29 -05:00
Cargo.toml	Add support for SHA256 source file hashing for LLVM 11+.	2020-10-14 15:09:51 -07:00