Temporary header file '/tmp/rqwB6iEvh8/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
#define getaddrinfo_a(a,b,c,d)

  // add includes
  #include "/usr/include/usbg/function/ffs.h"
  #include "/usr/include/usbg/function/hid.h"
  #include "/usr/include/usbg/function/loopback.h"
  #include "/usr/include/usbg/function/midi.h"
  #include "/usr/include/usbg/function/ms.h"
  #include "/usr/include/usbg/function/net.h"
  #include "/usr/include/usbg/function/phonet.h"
  #include "/usr/include/usbg/function/serial.h"
  #include "/usr/include/usbg/function/uac2.h"
  #include "/usr/include/usbg/usbg.h"
  #include "/usr/include/usbg/usbg_version.h"

  // 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;
  arpd_request* tmp_add_class_3;
  arphdr* tmp_add_class_4;
  arpreq* tmp_add_class_5;
  arpreq_old* tmp_add_class_6;
  cmsghdr* tmp_add_class_7;
  ether_addr* tmp_add_class_8;
  ether_arp* tmp_add_class_9;
  ether_header* tmp_add_class_10;
  ethhdr* tmp_add_class_11;
  iovec* tmp_add_class_12;
  linger* tmp_add_class_13;
  mallinfo2* tmp_add_class_14;
  mmsghdr* tmp_add_class_15;
  msghdr* tmp_add_class_16;
  osockaddr* tmp_add_class_17;
  sockaddr* tmp_add_class_18;
  sockaddr_storage* tmp_add_class_19;
  ucred* tmp_add_class_20;
  usbg_config_attrs* tmp_add_class_21;
  usbg_config_strs* tmp_add_class_22;
  usbg_f_hid_attr_val* tmp_add_class_23;
  usbg_f_hid_attrs* tmp_add_class_24;
  usbg_f_hid_report_desc* tmp_add_class_25;
  usbg_f_loopback_attrs* tmp_add_class_26;
  usbg_f_midi_attr_val* tmp_add_class_27;
  usbg_f_midi_attrs* tmp_add_class_28;
  usbg_f_ms_attrs* tmp_add_class_29;
  usbg_f_ms_lun_attr_val* tmp_add_class_30;
  usbg_f_ms_lun_attrs* tmp_add_class_31;
  usbg_f_net_attr_val* tmp_add_class_32;
  usbg_f_net_attrs* tmp_add_class_33;
  usbg_f_uac2_attr_val* tmp_add_class_34;
  usbg_f_uac2_attrs* tmp_add_class_35;
  usbg_function_os_desc* tmp_add_class_36;
  usbg_gadget_attrs* tmp_add_class_37;
  usbg_gadget_os_descs* tmp_add_class_38;
  usbg_gadget_strs* tmp_add_class_39;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/rqwB6iEvh8/dump1.h"

/tmp/rqwB6iEvh8/dump1.h:39:3: error: ‘mallinfo2’ does not name a type
   39 |   mallinfo2* tmp_add_class_14;
      |   ^~~~~~~~~