syntax_data: {"ast_node_type":"variable","tokens":[{"end":43,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:     if let Some(span) = span.primary_span()
context_before:     // Cancel an earlier warning for this same error, if it exists.
context_after:         && let Some(err) = sess.dcx().steal_non_err(span, StashKey::EarlySyntaxWarning)