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use new unification for rec ~ rec

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This commit is contained in:
Folkert 2021-08-12 21:50:10 +02:00
parent ecfb0e2685
commit 46f6e86716
1 changed files with 2 additions and 3 deletions
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5
compiler/unify/src/unify.rs
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@ -1471,11 +1471,10 @@ fn unify_flat_type(
(RecursiveTagUnion(rec1, tags1, ext1), RecursiveTagUnion(rec2, tags2, ext2)) => {
debug_assert!(is_recursion_var(subs, *rec1));
debug_assert!(is_recursion_var(subs, *rec2));
let union1 = gather_tags_new(subs, *tags1, *ext1);
let union2 = gather_tags_new(subs, *tags2, *ext2);
let rec = (Some(*rec1), Some(*rec2));
let mut problems =
unify_tag_union(subs, pool, ctx, union1, union2, (Some(*rec1), Some(*rec2)));
unify_tag_union_new(subs, pool, ctx, *tags1, *ext1, *tags2, *ext2, rec);
problems.extend(unify_pool(subs, pool, *rec1, *rec2));
problems