fn try_clang_pipeline(
project: &Path,
cfg: &PipelineConfig,
graph_cache_path: Option<&PathBuf>,
inc_cache: Option<&IncrementalCache>,
) -> Option<CodePropertyGraph>fn try_clang_pipeline(
project: &Path,
cfg: &PipelineConfig,
graph_cache_path: Option<&PathBuf>,
inc_cache: Option<&IncrementalCache>,
) -> Option<CodePropertyGraph>