[clang] [clang][SSAF] Optionally skip system-header contributors (PR #205446)

[Balázs Benics via cfe-commits]

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@@ -333,7 +334,7 @@ class PointerFlowTUSummaryExtractor : public TUSummaryExtractor {
   void HandleTranslationUnit(ASTContext &Ctx) override {
     std::vector<const NamedDecl *> Contributors;
 
-    findContributors(Ctx, Contributors);
+    findContributors(Ctx, Contributors, getOptions().ExtractFromSystemHeaders);
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steakhal wrote:

I'd expect that `findContributors` may want more options. IMO we should pass SSAFOptions to it and let it  choose what flags it wants to read from instead of passing them one by one at every callsite to this function.

https://github.com/llvm/llvm-project/pull/205446