syntax_data: {"ast_node_type":"other","tokens":[{"end":59,"kind":"keyword","start":0,"text":"body.basic_blocks_mut().push(BasicBlockData::new_stmts("}]}
source_snippet:     body.basic_blocks_mut().push(BasicBlockData::new_stmts(
context_before:     let unreachable_block = insert_term_block(body, TerminatorKind::Unreachable);
context_after:         [storage_dead, discr_assign].to_vec(),