syntax_data: {"ast_node_type":"other","tokens":[{"end":96,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:                         // Help out coverage instrumentation by injecting a dummy statement with
context_before:                     this.in_if_then_scope(local_scope, expr_span, |this| {
context_after:                         // the original condition's span (including `!`). This fixes #115468.