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Verify receiver is of self: Pin<&mut Self>

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This commit is contained in:
Esteban Küber 2022-12-23 15:13:04 -08:00
parent a929316aed
commit 12fd9011b8
2 changed files with 6 additions and 6 deletions
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8
compiler/rustc_borrowck/src/diagnostics/mod.rs
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@ -1132,9 +1132,13 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> {
place_name, partially_str, loop_message
),
);
let ty = moved_place.ty(self.body, self.infcx.tcx).ty;
if let ty::Adt(def, ..) = ty.kind()
let ty = tcx.erase_regions(moved_place.ty(self.body, self.infcx.tcx).ty);
if let ty::Adt(def, substs) = ty.kind()
&& Some(def.did()) == self.infcx.tcx.lang_items().pin_type()
&& let ty::Ref(_, _, hir::Mutability::Mut) = substs.type_at(0).kind()
// FIXME: this is a hack because we can't call `can_eq`
&& ty.to_string() ==
tcx.fn_sig(method_did).input(0).skip_binder().to_string()
{
err.span_suggestion_verbose(
fn_call_span.shrink_to_lo(),