Add reproducer

Mousius · Mousius · commit 8543dab44ce2 · 2024-07-29T17:35:54.000+01:00
diff --git a/numpy/_core/tests/test_regression.py b/numpy/_core/tests/test_regression.py
@@ -2636,3 +2636,10 @@ def test_repeated_square_consistency(self):
                 res = buf[3:]
                 np.square(in_vec, out=res)
                 assert_equal(res, expected_res)
+
+    def test_sort_unique_crash(self):
+        # gh-27037
+        for _ in range(4):
+            vals = np.linspace(0, 1, num=128)
+            data = np.broadcast_to(vals, (128, 128, 128)).transpose(0, 2, 1).copy()
+            np.unique(data)
