merge develop conflict (#31122)

Author: yghstill

paddle/fluid/operators/softmax_with_cross_entropy_op.cu

@@ -268,6 +268,10 @@ struct HardLabelSoftmaxWithCrossEntropyFunctor {
     int64_t idx_remain = idx % remain;
     // labels, loss view as [n, remain]
     int64_t idx_lbl = idx_n * remain + idx_remain;
+    PADDLE_ENFORCE(labels_[idx_lbl] >= 0 && labels_[idx_lbl] < d_,
+                   "The value of label[%ld] expected >= 0 and < %ld,"
+                   "but got %ld. Please check input value.",
+                   idx_lbl, d_, labels_[idx_lbl]);
     // It also would ignore labels not in range(class_num).
     if (idx_axis != labels_[idx_lbl]) {
       log_softmax_[idx] = exp_on_device(log_softmax_[idx]);