bjoernager/rust
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Simplify hashing.

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This commit is contained in:
Camille GILLOT 2021-02-09 18:53:38 +01:00
parent a87de890fd
commit 903f65f215
3 changed files with 26 additions and 35 deletions
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4
compiler/rustc_query_impl/src/plumbing.rs
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@ -339,12 +339,12 @@ macro_rules! define_queries {
} else {
Some(key.default_span(*tcx))
};
let hash = {
let hash = || {
let mut hcx = tcx.create_stable_hashing_context();
let mut hasher = StableHasher::new();
std::mem::discriminant(&kind).hash_stable(&mut hcx, &mut hasher);
key.hash_stable(&mut hcx, &mut hasher);
hasher.finish()
hasher.finish::<u64>()
};
QueryStackFrame::new(name, description, span, hash)