{"ast_node_type":"other","tokens":[{"end":101,"kind":"keyword","start":0,"text":"//"}]}
                    // variables for their metadata, and thus this can't merge with the previous arm.
                    // Similarly, for Transmute-then-PtrToPtr. Note that we need to check different
                    (Transmute, PtrToPtr) if self.pointers_have_same_metadata(from, to) => {