syntax_data: {"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":"self.requires_unsafe(pat.span,"}]}
source_snippet:                     self.requires_unsafe(pat.span, AccessToUnionField);
context_before:                 | PatKind::Never => {
context_after:                     return; // we can return here since this already requires unsafe