diff --git a/llvm/unittests/Support/ScaledNumberTest.cpp b/llvm/unittests/Support/ScaledNumberTest.cpp
index 449c047..3fa63b7 100644
--- a/llvm/unittests/Support/ScaledNumberTest.cpp
+++ b/llvm/unittests/Support/ScaledNumberTest.cpp
@@ -562,4 +562,7 @@
   EXPECT_EQ(1u, (n * n).toInt<uint32_t>());
 }
 
+static_assert(is_trivially_copyable<ScaledNumber<uint32_t>>::value,
+              "trivially copyable");
+
 } // end namespace