================
@@ -8270,6 +8303,15 @@ TreeTransform<Derived>::TransformDeclStmt(DeclStmt *S) {
if (Transformed != D)
DeclChanged = true;
+ if (LSI && isa<TypeDecl>(Transformed))
+ LSI->ContainsUnexpandedParameterPack |=
+ getSema()
+ .getASTContext()
+ .getTypeDeclType(cast<TypeDecl>(Transformed))
+ .getCanonicalType()
+ .getTypePtr()
+ ->containsUnexpandedParameterPack();
+
----------------
zyn0217 wrote:
I didn't think of any other case that owns an unexpanded flag, handling
TypeDecls + Exprs is probably sufficient at this point.
https://github.com/llvm/llvm-project/pull/86265
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