nvcc-cpp11-crash.cu

#include <thrust/device_vector.h>
#include <thrust/transform.h>

// commmand line:
// nvcc --std=c++11 -c nvcc-cpp11-crash.cu nvcc-cpp11-crash.cu.o
//
// crashes nvcc with:
// Error: Internal Compiler Error (codegen): "there was an error in verifying the lgenfe output!"
// GCC 6.4, CUDA (9.0.176)

struct unary_op
{
  __host__ __device__
  thrust::tuple<float, float> operator()(const float a)
  {
    if (isinf(a)) {}
    return thrust::tuple<float, float>();
  }
};

struct compare_key_value{
  __host__ __device__
    thrust::tuple<float, float> operator()(thrust::tuple<float, float> lhs, thrust::tuple<float, float> rhs)  {
      return true;
  }
};

void somefun() {
  thrust::transform_reduce(
      thrust::device_pointer_cast((float*) nullptr),
      thrust::device_pointer_cast((float*) nullptr),
      unary_op(),
      thrust::tuple<float, float>(0.0f, 0.0f),
      compare_key_value()
  );
}