[clang] [Sema] Default arguments for template parameters affect ContainsUnexpandedPacks (PR #99880)

[Younan Zhang via cfe-commits]

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@@ -44,6 +44,13 @@ using namespace clang;
 // TemplateParameterList Implementation
 //===----------------------------------------------------------------------===//
 
+namespace {
+template <class TemplateParam>
+bool DefaultArgumentContainsUnexpandedPack(const TemplateParam &P) {
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zyn0217 wrote:

We also prefer a `static` function instead of putting it inside an annonymous namespace, at least for clang frontend codes.

https://github.com/llvm/llvm-project/pull/99880