syntax_data: {"ast_node_type":"other","tokens":[{"end":93,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:     // This is for backward compatibility, see https://github.com/rust-lang/rust/issues/49867
context_before:     base.supported_sanitizers = SanitizerSet::ADDRESS;
context_after:     // for context. (At that time, there was no `-C force-unwind-tables`, so the only solution