syntax_data: {"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"this.cfg.goto(body_block_end,"}]}
source_snippet:                     this.cfg.goto(body_block_end, source_info, loop_block);
context_before:                     let body_block_end = this.expr_into_dest(tmp, body_block, body).into_block();