[clang] [clang] Reject initializing constexpr struct/union types with compound literals that contain non null pointers (PR #228776)

[Abdulmalek Almkainzi via cfe-commits]

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@@ -7922,6 +7922,24 @@ ExprResult Sema::PerformQualificationConversion(Expr *E, QualType Ty,
   return ImpCastExprToType(E, Ty, CK, VK, /*BasePath=*/nullptr, CCK);
 }
 
+// If C2y allows non-null constexpr pointers, this function should always return
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aalmkainzi wrote:

yes I think it makes sense to move the comment from the call site to here

https://github.com/llvm/llvm-project/pull/228776