bjoernager/rust
bjoernager/rust
1
Fork 0
Code Issues Pull requests Activity

mentioned items: also handle closure-to-fn-ptr coercions

Browse source
This commit is contained in:
Ralf Jung 2024-03-17 13:42:54 +01:00
parent 347ca50bc8
commit f1ec494c32
6 changed files with 99 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

16
compiler/rustc_mir_transform/src/mentioned_items.rs
View file

@ -74,6 +74,22 @@ impl<'tcx> Visitor<'tcx> for MentionedItemsVisitor<'_, 'tcx> {
span,
});
}
// Similarly, record closures that are turned into function pointers.
mir::Rvalue::Cast(
mir::CastKind::PointerCoercion(PointerCoercion::ClosureFnPointer(_)),
ref operand,
_,
) => {
let span = self.body.source_info(location).span;
let source_ty = operand.ty(self.body, self.tcx);
match *source_ty.kind() {
ty::Closure(def_id, args) => {
self.mentioned_items
.push(Spanned { node: MentionedItem::Closure(def_id, args), span });
}
_ => bug!(),
}
}
// Function pointer casts are already handled by `visit_constant` above.
_ => {}
}