[libcxx-commits] [libcxx] [libc++] Correct mask_array assignment (PR #219490)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions ,cpp -- libcxx/include/valarray libcxx/test/std/numerics/numarray/template.mask.array/mask.array.assign/mask_array.pass.cpp --diff_from_common_commit
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/libcxx/test/std/numerics/numarray/template.mask.array/mask.array.assign/mask_array.pass.cpp b/libcxx/test/std/numerics/numarray/template.mask.array/mask.array.assign/mask_array.pass.cpp
index 1fe617ff0..a42618f2f 100644
--- a/libcxx/test/std/numerics/numarray/template.mask.array/mask.array.assign/mask_array.pass.cpp
+++ b/libcxx/test/std/numerics/numarray/template.mask.array/mask.array.assign/mask_array.pass.cpp
@@ -52,12 +52,12 @@ int main(int, char**)
     assert(v1[15] == 15);
     }
     {
-    std::valarray<int> v = {1, 2, 3, 4};
-    v[(v % 2) == 0] = v[(v % 2) == 1];
-    assert(v[0] == 1);
-    assert(v[1] == 1);
-    assert(v[2] == 3);
-    assert(v[3] == 3);
+      std::valarray<int> v = {1, 2, 3, 4};
+      v[(v % 2) == 0]      = v[(v % 2) == 1];
+      assert(v[0] == 1);
+      assert(v[1] == 1);
+      assert(v[2] == 3);
+      assert(v[3] == 3);
     }
     // Test return value of assignment
     {

``````````

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https://github.com/llvm/llvm-project/pull/219490