================
@@ -14037,6 +14037,15 @@ class Sema final : public SemaBase {
TemplateArgument Arg,
SmallVectorImpl<UnexpandedParameterPack> &Unexpanded);
+ /// Collect the set of unexpanded parameter packs within the given
+ /// template argument.
+ ///
+ /// \param Arg The template argument that will be traversed to find
+ /// unexpanded parameter packs.
+ void collectUnexpandedParameterPacksForFoldExprs(
+ Expr *E, SmallVectorImpl<UnexpandedParameterPack> &Unexpanded,
+ SmallVectorImpl<UnexpandedParameterPack> &UnexpandedFromConstraints);
+
----------------
cor3ntin wrote:
The comment is wrong, and i don't understand why we need
`collectUnexpandedParameterPacks` specifically for fold expressions. - We
already should handle fold expressions correctly
https://github.com/llvm/llvm-project/pull/86265
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