[clang] [HLSL] Add empty struct test cases to `__builtin_hlsl_is_typed_resource_element_compatible` test file (PR #115045)

[Joshua Batista via cfe-commits]

https://github.com/bob80905 created https://github.com/llvm/llvm-project/pull/115045

This PR adds empty struct cases to the test file for the builtin.

>From ef4a7eea3eacce4f77b628aebe7f2838733971d0 Mon Sep 17 00:00:00 2001
From: Joshua Batista <jbatista at microsoft.com>
Date: Tue, 5 Nov 2024 10:35:59 -0800
Subject: [PATCH] add empty struct test cases

---
 .../SemaHLSL/Types/Traits/IsTypedResourceElementCompatible.hlsl | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/clang/test/SemaHLSL/Types/Traits/IsTypedResourceElementCompatible.hlsl b/clang/test/SemaHLSL/Types/Traits/IsTypedResourceElementCompatible.hlsl
index acc1f281daddfc..08d75a0c23b228 100644
--- a/clang/test/SemaHLSL/Types/Traits/IsTypedResourceElementCompatible.hlsl
+++ b/clang/test/SemaHLSL/Types/Traits/IsTypedResourceElementCompatible.hlsl
@@ -107,3 +107,5 @@ struct TypeDefTest {
 };
 
 _Static_assert(__builtin_hlsl_is_typed_resource_element_compatible(TypeDefTest), "");
+
+