[clang] [HLSL] Disable implicit constructors for user-defined structs/classes (PR #194989)

[Joshua Batista via cfe-commits]

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@@ -12,7 +12,7 @@ struct Pair {
 
   // In HLSL 202x, this is a move assignment rather than a copy.
   int getSecond() {
-    this = Pair();
+    this = {0, 123};
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bob80905 wrote:

Same as above here

https://github.com/llvm/llvm-project/pull/194989