[clang] [LifetimeSafety] Diagnose UAF for aligned and nothrow new expressions (PR #202286)

[via cfe-commits]

================
@@ -53,6 +53,9 @@ T *begin(T (&array)[N]);
 
 using size_t = decltype(sizeof(0));
 using nullptr_t = decltype(nullptr);
+enum class align_val_t : size_t {};
+struct nothrow_t {};
+extern const nothrow_t nothrow;
----------------
NeKon69 wrote:

Sure, no strong opinion here, let's keep it as is.

https://github.com/llvm/llvm-project/pull/202286