fix infershape check bug

test=develop

paddle/fluid/operators/metrics/auc_op.cc

@@ -28,7 +28,8 @@ class AucOp : public framework::OperatorWithKernel {
     PADDLE_ENFORCE(ctx->HasInput("Label"),
                    "Input of Label should not be null.");
     auto predict_width = ctx->GetInputDim("Predict")[1];
-    PADDLE_ENFORCE_EQ(predict_width, 2, "Only support binary classification");
+    PADDLE_INFERSHAPE_ENFORCE_EQ(ctx, predict_width, 2,
+                                 "Only support binary classification");
     auto predict_height = ctx->GetInputDim("Predict")[0];
     auto label_height = ctx->GetInputDim("Label")[0];
 

paddle/fluid/operators/smooth_l1_loss_op.cc

@@ -43,8 +43,25 @@ class SmoothL1LossOp : public framework::OperatorWithKernel {
       PADDLE_ENFORCE(ctx->HasInput("OutsideWeight"),
                      "If weights are provided, must specify both "
                      "inside and outside weights.");
-      PADDLE_ENFORCE_EQ(ctx->GetInputDim("InsideWeight"), x_dims);
-      PADDLE_ENFORCE_EQ(ctx->GetInputDim("OutsideWeight"), x_dims);
+      auto dims = ctx->GetInputDim("InsideWeight");
+      bool check = true;
+      if ((!ctx->IsRuntime()) &&
+          (framework::product(dims) <= 0 || framework::product(x_dims) <= 0)) {
+        check = false;
+      }
+      if (check) {
+        PADDLE_ENFORCE_EQ(dims, x_dims);
+      }
+
+      dims = ctx->GetInputDim("OutsideWeight");
+      check = true;
+      if ((!ctx->IsRuntime()) &&
+          (framework::product(dims) <= 0 || framework::product(x_dims) <= 0)) {
+        check = false;
+      }
+      if (check) {
+        PADDLE_ENFORCE_EQ(dims, x_dims);
+      }
     }
 
     ctx->SetOutputDim("Diff", x_dims);