syntax_data: {"ast_node_type":"other","tokens":[{"end":96,"kind":"keyword","start":0,"text":"dcx.emit_fatal(LoopMatchMissingAssignment"}]}
source_snippet:                         dcx.emit_fatal(LoopMatchMissingAssignment { span: loop_body_expr.span })
context_before:                     let hir::ExprKind::Assign(state, rhs_expr, _) = loop_body_expr.kind else {
context_after:                     };