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[beta] Hash Kind in metadata for crates #4169

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Merged
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Jun 14, 2017
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[beta] Hash Kind in metadata for crates #4169

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5 changes: 5 additions & 0 deletions src/cargo/ops/cargo_rustc/context.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -477,6 +477,11 @@ impl<'a, 'cfg> Context<'a, 'cfg> {
// settings like debuginfo and whatnot.
unit.profile.hash(&mut hasher);

// Artifacts compiled for the host should have a different metadata
// piece than those compiled for the target, so make sure we throw in
// the unit's `kind` as well
unit.kind.hash(&mut hasher);

// Finally throw in the target name/kind. This ensures that concurrent
// compiles of targets in the same crate don't collide.
unit.target.name().hash(&mut hasher);
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