{"ast_node_type":"function","tokens":[{"end":87,"kind":"keyword","start":0,"text":"fn"}]}
    fn adjusted_range_ptrs(range: AllocRange, cx: &impl HasDataLayout) -> Range<Size> {
impl<Prov: Provenance> ProvenanceMap<Prov> {
        // We have to go back `pointer_size - 1` bytes, as that one would still overlap with