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-rw-r--r--clang/lib/Sema/TreeTransform.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/clang/lib/Sema/TreeTransform.h b/clang/lib/Sema/TreeTransform.h
index 34fdbad87b3..4a41b603642 100644
--- a/clang/lib/Sema/TreeTransform.h
+++ b/clang/lib/Sema/TreeTransform.h
@@ -4269,6 +4269,10 @@ bool TreeTransform<Derived>::
if (NewType.isNull())
return true;
+ if (NewType->containsUnexpandedParameterPack())
+ NewType = getSema().Context.getPackExpansionType(NewType,
+ NumExpansions);
+
OutParamTypes.push_back(NewType);
if (PVars)
PVars->push_back(0);
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