syntax_data: {"ast_node_type":"other","tokens":[{"end":81,"kind":"keyword","start":0,"text":"dcx.emit_fatal(LoopMatchBadRhs"}]}
source_snippet:                         dcx.emit_fatal(LoopMatchBadRhs { span: block_body.span })
context_before:                     let Some(block_body_expr) = block_body.expr else {
context_after:                     };