From dc44b95ab0cc988afd225d0eb9f7021f96fcd2b6 Mon Sep 17 00:00:00 2001
From: Abseil Team <absl-team@google.com>
Date: Mon, 6 Mar 2023 10:26:02 -0800
Subject: Support lvalue references to incomplete types as `FunctionRef`
 parameters.

PiperOrigin-RevId: 514451518
Change-Id: Ic1391374c7bff08ba437ac0410631d1f701bb9ed
---
 absl/functional/function_ref_test.cc | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'absl/functional/function_ref_test.cc')

diff --git a/absl/functional/function_ref_test.cc b/absl/functional/function_ref_test.cc
index 412027cd..d0923fdd 100644
--- a/absl/functional/function_ref_test.cc
+++ b/absl/functional/function_ref_test.cc
@@ -253,6 +253,16 @@ TEST(FunctionRef, PassByValueTypes) {
   }
 }
 
+TEST(FunctionRef, ReferenceToIncompleteType) {
+  struct IncompleteType;
+  auto test = [](IncompleteType&) {};
+  absl::FunctionRef<void(IncompleteType&)> ref(test);
+
+  struct IncompleteType {};
+  IncompleteType obj;
+  ref(obj);
+}
+
 }  // namespace
 ABSL_NAMESPACE_END
 }  // namespace absl
-- 
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