{"ast_node_type":"other","tokens":[{"end":116,"kind":"keyword","start":0,"text":"//"}]}
    // `num_paths` is `width` described at the llvm rfc, which indicates how many paths reaching the condition node.
    let mut indegree_stats = IndexVec::<ConditionId, usize>::from_elem_n(0, conditions.len());
    let mut num_paths_stats = IndexVec::<ConditionId, usize>::from_elem_n(0, conditions.len());