syntax_data: {"ast_node_type":"other","tokens":[{"end":38,"kind":"keyword","start":0,"text":"///"}]}
source_snippet: /// returning `Some(reason)` if it is.
context_before: /// Check whether the given version of LLVM is blocklisted,
context_after: fn is_blocklisted_llvm(llvm_version: &Version) -> Option<&'static str> {