Revert change FunctionReflectionTest.cpp

Author: mcbarton

unittests/CppInterOp/FunctionReflectionTest.cpp

@@ -1542,6 +1542,7 @@ TEST(FunctionReflectionTest, GetFunctionCallWrapper) {
   FCI4.Invoke(&ret4);
   EXPECT_EQ(ret4, 4);
 
+#if CLANG_VERSION_MAJOR > 16
   Cpp::JitCall FCI5 =
       Cpp::MakeFunctionCallable(Cpp::GetNamed("f5", Cpp::GetNamed("NS")));
   EXPECT_TRUE(FCI5.getKind() == Cpp::JitCall::kGenericCall);
@@ -1551,6 +1552,7 @@ TEST(FunctionReflectionTest, GetFunctionCallWrapper) {
   FCI5.Invoke((void*)&callback);
   EXPECT_TRUE(callback);
   EXPECT_EQ(callback(), 3);
+#endif
 
   // FIXME: Do we need to support private ctors?
   Interp->process(R"(
@@ -1627,7 +1629,9 @@ TEST(FunctionReflectionTest, GetFunctionCallWrapper) {
   set_5_f.Invoke(nullptr, {set_5_args, 1});
   EXPECT_EQ(b, 5);
 
+#if CLANG_VERSION_MAJOR > 16
   // typedef resolution testing
+  // supported for clang version >16 only
   Interp->process(R"(
   class TypedefToPrivateClass {
   private:
@@ -1655,6 +1659,7 @@ TEST(FunctionReflectionTest, GetFunctionCallWrapper) {
   void* res = nullptr;
   FCI_f.Invoke(&res, {nullptr, 0});
   EXPECT_TRUE(res);
+#endif
 
   // templated operators
   Interp->process(R"(