[clang] [Sema] Preserve ContainsUnexpandedParameterPack in TransformLambdaExpr (PR #86265)

[via cfe-commits]

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@@ -1673,14 +1690,12 @@ namespace {
           // RecoveryExpr that wraps the uninstantiated default argument so
           // that downstream diagnostics are omitted.
           ExprResult ErrorResult = SemaRef.CreateRecoveryExpr(
-              UninstExpr->getBeginLoc(), UninstExpr->getEndLoc(),
-              { UninstExpr }, UninstExpr->getType());
+              UninstExpr->getBeginLoc(), UninstExpr->getEndLoc(), {UninstExpr},
+              UninstExpr->getType());
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cor3ntin wrote:

nothing changed here, right?

https://github.com/llvm/llvm-project/pull/86265