diff --git a/tests/constructors.cpp b/tests/constructors.cpp
index a963a2a..c164270 100644
--- a/tests/constructors.cpp
+++ b/tests/constructors.cpp
@@ -65,51 +65,59 @@ TEST_CASE("Constructors", "[constructors]") {
 		tl::expected<int, int> e;
 		REQUIRE(std::is_default_constructible<decltype(e)>::value);
 		REQUIRE(std::is_copy_constructible<decltype(e)>::value);
-		REQUIRE(std::is_trivially_copy_constructible<decltype(e)>::value);
 		REQUIRE(std::is_move_constructible<decltype(e)>::value);
-		REQUIRE(std::is_trivially_move_constructible<decltype(e)>::value);
 		REQUIRE(std::is_copy_assignable<decltype(e)>::value);
-		REQUIRE(std::is_trivially_copy_assignable<decltype(e)>::value);
 		REQUIRE(std::is_move_assignable<decltype(e)>::value);
-		REQUIRE(std::is_trivially_move_assignable<decltype(e)>::value);
+		REQUIRE(!IS_TRIVIALLY_COPY_CONSTRUCTIBLE(decltype(e)));
+		REQUIRE(!IS_TRIVIALLY_COPY_ASSIGNABLE(decltype(e)));
+#	if !defined(TL_EXPECTED_GCC49)
+		REQUIRE(!std::is_trivially_move_constructible<decltype(e)>::value);
+		REQUIRE(!std::is_trivially_move_assignable<decltype(e)>::value);
+#	endif
 	}
 
 	{
 		tl::expected<int, std::string> e;
 		REQUIRE(std::is_default_constructible<decltype(e)>::value);
 		REQUIRE(std::is_copy_constructible<decltype(e)>::value);
-		REQUIRE(!std::is_trivially_copy_constructible<decltype(e)>::value);
 		REQUIRE(std::is_move_constructible<decltype(e)>::value);
-		REQUIRE(!std::is_trivially_move_constructible<decltype(e)>::value);
 		REQUIRE(std::is_copy_assignable<decltype(e)>::value);
-		REQUIRE(!std::is_trivially_copy_assignable<decltype(e)>::value);
 		REQUIRE(std::is_move_assignable<decltype(e)>::value);
+		REQUIRE(!IS_TRIVIALLY_COPY_CONSTRUCTIBLE(decltype(e)));
+		REQUIRE(!IS_TRIVIALLY_COPY_ASSIGNABLE(decltype(e)));
+#	if !defined(TL_EXPECTED_GCC49)
+		REQUIRE(!std::is_trivially_move_constructible<decltype(e)>::value);
 		REQUIRE(!std::is_trivially_move_assignable<decltype(e)>::value);
+#	endif
 	}
 
 	{
 		tl::expected<std::string, int> e;
 		REQUIRE(std::is_default_constructible<decltype(e)>::value);
 		REQUIRE(std::is_copy_constructible<decltype(e)>::value);
-		REQUIRE(!std::is_trivially_copy_constructible<decltype(e)>::value);
 		REQUIRE(std::is_move_constructible<decltype(e)>::value);
-		REQUIRE(!std::is_trivially_move_constructible<decltype(e)>::value);
 		REQUIRE(std::is_copy_assignable<decltype(e)>::value);
-		REQUIRE(!std::is_trivially_copy_assignable<decltype(e)>::value);
 		REQUIRE(std::is_move_assignable<decltype(e)>::value);
+		REQUIRE(!IS_TRIVIALLY_COPY_CONSTRUCTIBLE(decltype(e)));
+		REQUIRE(!IS_TRIVIALLY_COPY_ASSIGNABLE(decltype(e)));
+#	if !defined(TL_EXPECTED_GCC49)
+		REQUIRE(!std::is_trivially_move_constructible<decltype(e)>::value);
 		REQUIRE(!std::is_trivially_move_assignable<decltype(e)>::value);
+#	endif
 	}
 
 	{
 		tl::expected<std::string, std::string> e;
 		REQUIRE(std::is_default_constructible<decltype(e)>::value);
 		REQUIRE(std::is_copy_constructible<decltype(e)>::value);
-		REQUIRE(!std::is_trivially_copy_constructible<decltype(e)>::value);
 		REQUIRE(std::is_move_constructible<decltype(e)>::value);
-		REQUIRE(!std::is_trivially_move_constructible<decltype(e)>::value);
 		REQUIRE(std::is_copy_assignable<decltype(e)>::value);
-		REQUIRE(!std::is_trivially_copy_assignable<decltype(e)>::value);
 		REQUIRE(std::is_move_assignable<decltype(e)>::value);
+		REQUIRE(!IS_TRIVIALLY_COPY_CONSTRUCTIBLE(decltype(e)));
+		REQUIRE(!IS_TRIVIALLY_COPY_ASSIGNABLE(decltype(e)));
+#	if !defined(TL_EXPECTED_GCC49)
+		REQUIRE(!std::is_trivially_move_constructible<decltype(e)>::value);
 		REQUIRE(!std::is_trivially_move_assignable<decltype(e)>::value);
+#	endif
 	}
 }