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re-enable builtin module caching

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Folkert 2022-05-20 22:24:21 +02:00
parent 2b94eeed60
commit e9bdf0e5de
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5 changed files with 79 additions and 60 deletions
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9
compiler/unify/src/unify.rs
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@ -502,7 +502,7 @@ fn unify_two_aliases(
.into_iter()
.zip(other_args.all_variables().into_iter());
let args_unification_snapshot = subs.snapshot();
let length_before = subs.len();
for (l, r) in it {
let l_var = subs[l];
@ -514,10 +514,9 @@ fn unify_two_aliases(
outcome.union(merge(subs, ctx, *other_content));
}
let args_unification_had_changes = !subs
.vars_since_snapshot(&args_unification_snapshot)
.is_empty();
subs.commit_snapshot(args_unification_snapshot);
let length_after = subs.len();
let args_unification_had_changes = length_after != length_before;
if !args.is_empty() && args_unification_had_changes && outcome.mismatches.is_empty() {
// We need to unify the real vars because unification of type variables