Temporary header file '/tmp/UHr2zwndge/dump1.h' with the following content will be compiled to create GCC translation unit dump:

  // add defines
  #define __STDC_VERSION__ 201710L
#define _GXX_NULLPTR_T
#define CLUTTER_ENABLE_COMPOSITOR_API 1
#define _REGEX_NELTS(n)
#define _Atomic
#define PACKED
#ifdef __cplusplus
// C17 compat layer
#define _Alignof(type) alignof(type)
#endif
#define getaddrinfo_a(a,b,c,d) 
typedef void *HYPRE_DistributedMatrix;
typedef void *HYPRE_DistributedMatrixPilutSolver;
typedef void *hypre_ParMultiVector;

  // add includes
  #include "/usr/include/hypre/HYPRE_utilities.h"
  #include "/usr/include/hypre/distributed_matrix.h"
  #include "/usr/include/hypre/par_multivector.h"
  #include "/usr/include/hypre/HYPRE.h"
  #include "/usr/include/hypre/HYPRE_DistributedMatrixPilutSolver_protos.h"
  #include "/usr/include/hypre/HYPRE_DistributedMatrixPilutSolver_types.h"
  #include "/usr/include/hypre/HYPRE_IJ_mv.h"
  #include "/usr/include/hypre/HYPRE_MatvecFunctions.h"
  #include "/usr/include/hypre/HYPRE_config.h"
  #include "/usr/include/hypre/HYPRE_krylov.h"
  #include "/usr/include/hypre/HYPRE_lobpcg.h"
  #include "/usr/include/hypre/HYPRE_parcsr_ls.h"
  #include "/usr/include/hypre/HYPRE_parcsr_mv.h"
  #include "/usr/include/hypre/HYPRE_seq_mv.h"
  #include "/usr/include/hypre/HYPRE_sstruct_ls.h"
  #include "/usr/include/hypre/HYPRE_sstruct_mv.h"
  #include "/usr/include/hypre/HYPRE_struct_ls.h"
  #include "/usr/include/hypre/HYPRE_struct_mv.h"
  #include "/usr/include/hypre/_hypre_IJ_mv.h"
  #include "/usr/include/hypre/_hypre_onedpl.hpp"
  #include "/usr/include/hypre/_hypre_parcsr_ls.h"
  #include "/usr/include/hypre/_hypre_parcsr_mv.h"
  #include "/usr/include/hypre/_hypre_sstruct_ls.h"
  #include "/usr/include/hypre/_hypre_sstruct_mv.h"
  #include "/usr/include/hypre/_hypre_struct_ls.h"
  #include "/usr/include/hypre/_hypre_struct_mv.h"
  #include "/usr/include/hypre/_hypre_struct_mv.hpp"
  #include "/usr/include/hypre/_hypre_utilities.h"
  #include "/usr/include/hypre/_hypre_utilities.hpp"
  #include "/usr/include/hypre/csr_block_matrix.h"
  #include "/usr/include/hypre/csr_matmultivec.h"
  #include "/usr/include/hypre/fortran.h"
  #include "/usr/include/hypre/fortran_matrix.h"
  #include "/usr/include/hypre/interpreter.h"
  #include "/usr/include/hypre/krylov.h"
  #include "/usr/include/hypre/lobpcg.h"
  #include "/usr/include/hypre/multivector.h"
  #include "/usr/include/hypre/par_csr_block_matrix.h"
  #include "/usr/include/hypre/par_csr_matmultivec.h"
  #include "/usr/include/hypre/par_csr_pmvcomm.h"
  #include "/usr/include/hypre/seq_multivector.h"
  #include "/usr/include/hypre/seq_mv.h"
  #include "/usr/include/hypre/temp_multivector.h"

  // add namespaces
  namespace MPI{typedef int tmp_add_type_1;}
  MPI::tmp_add_type_1 tmp_add_func_1(){return 0;};

  // add classes
  _G_fpos64_t* tmp_add_class_0;
  _G_fpos_t* tmp_add_class_1;
  _IO_cookie_io_functions_t* tmp_add_class_2;
  _hypre_ParCSRCommPkg* tmp_add_class_3;
  double_linked_list* tmp_add_class_4;
  hypre_BoxArrayArray_struct* tmp_add_class_5;
  hypre_BoxArray_struct* tmp_add_class_6;
  hypre_BoxManEntry_struct* tmp_add_class_7;
  hypre_Box_struct* tmp_add_class_8;
  hypre_CommEntryType_struct* tmp_add_class_9;
  hypre_CommHandle_struct* tmp_add_class_10;
  hypre_CommInfo_struct* tmp_add_class_11;
  hypre_CommPkg_struct* tmp_add_class_12;
  hypre_CommType_struct* tmp_add_class_13;
  hypre_ComputeInfo_struct* tmp_add_class_14;
  hypre_ComputePkg_struct* tmp_add_class_15;
  hypre_IJMatrix_struct* tmp_add_class_16;
  hypre_IJVector_struct* tmp_add_class_17;
  hypre_NumbersNode* tmp_add_class_18;
  hypre_ParCSRMatrix_struct* tmp_add_class_19;
  hypre_ParFSAIData_struct* tmp_add_class_20;
  hypre_ParVector_struct* tmp_add_class_21;
  hypre_SStructGraph_struct* tmp_add_class_22;
  hypre_SStructGrid_struct* tmp_add_class_23;
  hypre_SStructMatrix_struct* tmp_add_class_24;
  hypre_SStructStencil_struct* tmp_add_class_25;
  hypre_SStructVector_struct* tmp_add_class_26;
  hypre_StructGrid_struct* tmp_add_class_27;
  hypre_StructMatrix_struct* tmp_add_class_28;
  hypre_StructStencil_struct* tmp_add_class_29;
  hypre_StructVector_struct* tmp_add_class_30;
  ompi_status_public_t* tmp_add_class_31;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/UHr2zwndge/dump1.h"  -I/usr/include/arm-linux-gnueabihf/mpi -I/usr/include/hypre -I/usr/include/arm-linux-gnueabihf/mpi/openmpi