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LayerNormV3 缺少输出shape的校验，当遇到不合规的输出shape，算子会出现异常。
Ascend950
均值方差的shape不符合预期会有算子异常。
pass
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Describe the current behavior / 问题描述 (Mandatory / 必填)
LayerNormV3 缺少输出shape的校验，当遇到不合规的输出shape，算子会出现异常。
Environment / 环境信息 (Mandatory / 必填)
Ascend950
Steps to reproduce the issue / 重现步骤 (Mandatory / 必填)
均值方差的shape不符合预期会有算子异常。
Describe the expected behavior / 预期结果 (Mandatory / 必填)
pass
Related log / screenshot / 日志 / 截图 (Mandatory / 必填)
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Special notes for this issue/备注 (Optional / 选填)