[clang] [HLSL] Enable InitList code to handle zero sized structs (PR #160355)

[Chris B via cfe-commits]

================
@@ -50,6 +50,16 @@ struct Unnamed {
   int : 8;
 };
 
+struct Empty {
+};
+
+struct UnnamedOnly {
+  int : 8;
+};
+
----------------
llvm-beanz wrote:

A few other potential cases to consider:

```
struct EmptyDerived : Empty {};
struct UnnamedDerived : UnnamedOnly {};
```

https://github.com/llvm/llvm-project/pull/160355