feat(overload): support default return types

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/CodeGen/TemplateClone.cc b/lib/CodeGen/TemplateClone.cc
index 7374ee8..b0aaf0c 100644
--- a/lib/CodeGen/TemplateClone.cc
+++ b/lib/CodeGen/TemplateClone.cc
@@ -220,6 +220,7 @@ std::unique_ptr<FunctionDefAST> TemplateClone::function(const FunctionDefAST *So
     auto CopyProto = std::make_unique<PrototypeAST>(Name, std::move(Params), type(Proto->getReturnType()),
         Proto->isExternal(), OwnerClass, Proto->isPublic(), Proto->isOverload());
     CopyProto->setOperator(Proto->getOperator());
+    CopyProto->setDefaultReturn(Proto->isDefaultReturn());
     CopyProto->setVariadic(Proto->isVariadic());
     auto Copy = located(std::make_unique<FunctionDefAST>(std::move(CopyProto), body(Source->getBody())), Source);
     PackNames = std::move(SavedNames);