Added a failing test case

Author: cehongwang

tests/py/dynamo/conversion/test_group_norm_aten.py

@@ -112,6 +112,27 @@ def forward(self, x):
                 inputs,
             )
 
+    def test_groupnorm_sd(self):
+        class GroupNorm(torch.nn.Module):
+            def forward(self, x):
+                return torch.ops.aten.native_group_norm.default(
+                    x,
+                    torch.randn((320,)).half(),
+                    torch.randn((320,)).half(),
+                    2,
+                    320,
+                    4096,
+                    32,
+                    1e-05,
+                )[0]
+
+        inputs = [torch.randn(2, 320, 64, 64).half()]
+        with torch.no_grad():
+            self.run_test(
+                GroupNorm(),
+                inputs,
+            )
+
     @parameterized.expand(
         [
             (5, 4, 4, 2, (2, 4, 2), (3, 4, 2), (5, 4, 4)),