{"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"//"}]}
        // FIXME(#34708): handle partially-dropped array/slice elements.
        let drop_block = self.elaborator.patch().new_block(block);
        let reset_block = self.drop_flag_reset_block(DropFlagMode::Deep, drop_block, unwind);