syntax_data: {"ast_node_type":"other","tokens":[{"end":69,"kind":"keyword","start":0,"text":"AccessToUnionField"}]}
source_snippet:             AccessToUnionField if unsafe_op_in_unsafe_fn_allowed => {
context_before:             }
context_after:                 dcx.emit_err(AccessToUnionFieldRequiresUnsafeUnsafeOpInUnsafeFnAllowed {