diff --git a/paddle/fluid/operators/reshape_op.h b/paddle/fluid/operators/reshape_op.h index 8320c257c9ab15efec29eabe99eca5b6f74c9e31..44a91ebd7c2d5760d88747e089bfa8cc660a7e86 100644 --- a/paddle/fluid/operators/reshape_op.h +++ b/paddle/fluid/operators/reshape_op.h @@ -93,8 +93,14 @@ class ReshapeOp : public framework::OperatorWithKernel { if (unk_dim_idx != -1) { output_shape[unk_dim_idx] = -in_size / capacity; - PADDLE_ENFORCE_EQ(output_shape[unk_dim_idx] * capacity, -in_size, - "Invalid shape is given."); + // in_size < 0 and is un-determinate in compile time, skip the check, + // for example, in_dims = [-1, 8, 1, 1], shape = [-1, 3, 8], + // capacity = -24, in_size = -8, output_shape[0] = 0 + // the following check will fail. + if (in_size > 0) { + PADDLE_ENFORCE_EQ(output_shape[unk_dim_idx] * capacity, -in_size, + "Invalid shape is given."); + } } else { PADDLE_ENFORCE_EQ(capacity, in_size, "Invalid shape is given."); }