bjoernager/rust
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polymorphize: polymorphize shims

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This commit removes the restriction of `InstanceDef::Item` on
polymorphization, so that shims can now be polymorphized.

Signed-off-by: David Wood <david.wood@huawei.com>
This commit is contained in:
David Wood 2021-10-01 17:08:06 +00:00
parent 4528b8e581
commit 76b05531ca
7 changed files with 112 additions and 61 deletions
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6
compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs
View file

@ -84,6 +84,12 @@ impl IntoArgs for (CrateNum, DefId) {
}
}
impl IntoArgs for ty::InstanceDef<'tcx> {
fn into_args(self) -> (DefId, DefId) {
(self.def_id(), self.def_id())
}
}
provide! { <'tcx> tcx, def_id, other, cdata,
type_of => { cdata.get_type(def_id.index, tcx) }
generics_of => { cdata.get_generics(def_id.index, tcx.sess) }

4
compiler/rustc_metadata/src/rmeta/encoder.rs
View file

@ -1320,7 +1320,9 @@ impl EncodeContext<'a, 'tcx> {
}
record!(self.tables.promoted_mir[def_id.to_def_id()] <- self.tcx.promoted_mir(def_id));
let unused = self.tcx.unused_generic_params(def_id);
let instance =
ty::InstanceDef::Item(ty::WithOptConstParam::unknown(def_id.to_def_id()));
let unused = self.tcx.unused_generic_params(instance);
if !unused.is_empty() {
record!(self.tables.unused_generic_params[def_id.to_def_id()] <- unused);
}