fix gpu build error

cmake/flags.cmake

@@ -124,6 +124,7 @@ set(GPU_COMMON_FLAGS
     -Wno-error=literal-suffix
     -Wno-error=unused-local-typedefs
     -Wno-error=unused-function  # Warnings in Numpy Header.
+    -Wno-error=array-bounds # Warnings in Eigen::array
 )
 
 if (APPLE)

paddle/operators/mul_op.h

@@ -24,9 +24,10 @@ template <typename Place, typename T>
 class MulKernel : public framework::OpKernel {
 public:
   void Compute(const framework::KernelContext& context) const override {
-    Eigen::array<Eigen::IndexPair<Eigen::DenseIndex>, 1> dim_pair;
-    dim_pair[0].first = 1;
-    dim_pair[0].second = 0;
+    Eigen::array<Eigen::IndexPair<Eigen::DenseIndex>, 1> dim_pair = {
+        Eigen::IndexPair<Eigen::DenseIndex>(1, 0)};
+    // dim_pair[0].first = 1;
+    // dim_pair[0].second = 0;
 
     auto input0 = context.Input(0)->Get<framework::Tensor>();
     auto input1 = context.Input(1)->Get<framework::Tensor>();

paddle/operators/rowwise_add_op.h

@@ -26,6 +26,7 @@ public:
     auto in0 = context.Input(0)->Get<framework::Tensor>();
     auto in1 = context.Input(1)->Get<framework::Tensor>();
     auto* out = context.Output(0)->GetMutable<framework::Tensor>();
+    out->mutable_data<T>(context.GetPlace());
 
     auto input = in0.matrix<T>();
     auto bias = in1.vec<T>();

paddle/operators/softmax_op.h

@@ -26,6 +26,7 @@ public:
   void Compute(const framework::KernelContext& context) const override {
     auto input = context.Input(0)->Get<framework::Tensor>();
     auto* output = context.Output(0)->GetMutable<framework::Tensor>();
+    output->mutable_data<T>(context.GetPlace());
 
     auto logits = input.matrix<T>();
     auto softmax = output->matrix<T>();
@@ -40,7 +41,8 @@ public:
     Eigen::DSizes<int, 2> batch_by_one(batch_size, 1);
     Eigen::DSizes<int, 2> one_by_class(1, num_classes);
 
-    auto shifted_logits = (logits - logits.maximum(along_class)
+    auto shifted_logits = (logits -
+                           logits.maximum(along_class)
                                .eval()
                                .reshape(batch_by_one)
                                .broadcast(one_by_class));
@@ -48,7 +50,8 @@ public:
     softmax.device(*(context.GetEigenDevice<Place>())) = shifted_logits.exp();
 
     softmax.device(*(context.GetEigenDevice<Place>())) =
-        (softmax * softmax.sum(along_class)
+        (softmax *
+         softmax.sum(along_class)
              .inverse()
              .eval()
              .reshape(batch_by_one)