[libcxx-commits] [libcxx] [libc++][test] Fix MSVC warning C4127 in `array.cons/initialization.pass.cpp` (PR #79793)

[Louis Dionne via libcxx-commits]

================
@@ -28,10 +28,16 @@ struct test_initialization {
             // Before C++20, default initialization doesn't work inside constexpr for
             // trivially default constructible types. This only apply to non-empty arrays,
             // since empty arrays don't hold an element of type T.
-            if (TEST_STD_AT_LEAST_20_OR_RUNTIME_EVALUATED || !std::is_trivially_default_constructible<T>::value) {
-                std::array<T, 1> a1; (void)a1;
-                std::array<T, 2> a2; (void)a2;
-                std::array<T, 3> a3; (void)a3;
+#if TEST_STD_VER < 20
+            if (!TEST_IS_CONSTANT_EVALUATED || !std::is_trivially_default_constructible<T>::value)
----------------
ldionne wrote:

```suggestion
            if (!(TEST_IS_CONSTANT_EVALUATED && std::is_trivially_default_constructible<T>::value))
```

IMO this is more understandable.

https://github.com/llvm/llvm-project/pull/79793