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convert AdtDef::destructor to on-demand

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This removes the Cell from AdtDef. Also, moving destructor validity
checking to on-demand (forced during item-type checking) ensures that
invalid destructors can't cause ICEs.

Fixes #38868.
Fixes #40132.
This commit is contained in:
Ariel Ben-Yehuda 2017-03-01 18:42:26 +02:00
parent e1cb9ba221
commit e294fd5ecb
11 changed files with 133 additions and 129 deletions
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4
src/librustc_metadata/cstore_impl.rs
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@ -76,6 +76,10 @@ provide! { <'tcx> tcx, def_id, cdata
tcx.alloc_trait_def(cdata.get_trait_def(def_id.index, tcx))
}
adt_def => { cdata.get_adt_def(def_id.index, tcx) }
adt_destructor => {
let _ = cdata;
tcx.calculate_dtor(def_id, &mut |_,_| Ok(()))
}
variances => { Rc::new(cdata.get_item_variances(def_id.index)) }
associated_item_def_ids => {
let mut result = vec![];