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Layout-cache variable invalidation must compare by root keys

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After unification, variable roots can change. So, when we invalidate
entries in the layout cache, we must compare for variable equivalence
relative to the current state of subs.
This commit is contained in:
Ayaz Hafiz 2023-01-30 13:06:44 -06:00
parent 8afdc820a6
commit 1e22a2bbcd
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2 changed files with 10 additions and 4 deletions
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2
crates/compiler/mono/src/ir.rs
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@ -1479,7 +1479,7 @@ impl<'a, 'i> Env<'a, 'i> {
right,
)?;
layout_cache.invalidate(changed_variables.iter().copied());
layout_cache.invalidate(self.subs, changed_variables.iter().copied());
external_specializations
.into_iter()
.for_each(|e| e.invalidate_cache(&changed_variables));