================
@@ -78,6 +78,22 @@ class UnresolvedSetImpl;
class VarTemplateDecl;
enum class ImplicitParamKind;
+// Holds a constraint expression along with a pack expansion index, if
+// expanded.
+struct AssociatedConstraint {
+ const Expr *ConstraintExpr = nullptr;
+ int ArgumentPackSubstitutionIndex = -1;
----------------
cor3ntin wrote:
I think replacing -1 by a constant in a followup patch makes sense
https://github.com/llvm/llvm-project/pull/133190
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