Temporary header file '/tmp/DZvpGOKRbJ/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 float _Float32;
typedef long double _Float64;
typedef double _Float32x;

  // add includes
  #include "/usr/include/arm-linux-gnueabihf/sys/socket.h"
  #include "/usr/include/varnish/cache/cache.h"
  #include "/usr/include/varnish/cache/cache_backend.h"
  #include "/usr/include/varnish/cache/cache_director.h"
  #include "/usr/include/varnish/cache/cache_filter.h"
  #include "/usr/include/varnish/miniobj.h"
  #include "/usr/include/varnish/vapi/vapi_options.h"
  #include "/usr/include/varnish/vapi/voptget.h"
  #include "/usr/include/varnish/vapi/vsc.h"
  #include "/usr/include/varnish/vapi/vsig.h"
  #include "/usr/include/varnish/vapi/vsl_int.h"
  #include "/usr/include/varnish/vapi/vsm.h"
  #include "/usr/include/varnish/vas.h"
  #include "/usr/include/varnish/vav.h"
  #include "/usr/include/varnish/vbh.h"
  #include "/usr/include/varnish/vbm.h"
  #include "/usr/include/varnish/vcl.h"
  #include "/usr/include/varnish/vcli.h"
  #include "/usr/include/varnish/vcs.h"
  #include "/usr/include/varnish/vmod_abi.h"
  #include "/usr/include/varnish/vqueue.h"
  #include "/usr/include/varnish/vre.h"
  #include "/usr/include/varnish/vre_pcre2.h"
  #include "/usr/include/varnish/vrnd.h"
  #include "/usr/include/varnish/vrt_obj.h"
  #include "/usr/include/varnish/vsa.h"
  #include "/usr/include/varnish/vsb.h"
  #include "/usr/include/varnish/vsha256.h"
  #include "/usr/include/varnish/vtcp.h"
  #include "/usr/include/varnish/vtim.h"
  #include "/usr/include/varnish/vtree.h"
  #include "/usr/include/varnish/vut_options.h"
  #include "/usr/include/varnish/waiter/waiter.h"

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -U__cplusplus -D_Bool="bool" -fpreprocessed -x c++ -fpermissive -w "/tmp/DZvpGOKRbJ/dump1.i"  -I/usr/include/varnish