Temporary header file '/tmp/tr2pGXKDRg/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/omniEvents/COS_sysdep.h"
  #include "/usr/include/omniEvents/Callback.h"
  #include "/usr/include/omniEvents/ConsumerAdmin.h"
  #include "/usr/include/omniEvents/EventChannel.h"
  #include "/usr/include/omniEvents/EventChannelFactory.h"
  #include "/usr/include/omniEvents/EventQueue.h"
  #include "/usr/include/omniEvents/Filter.h"
  #include "/usr/include/omniEvents/Mapper.h"
  #include "/usr/include/omniEvents/Orb.h"
  #include "/usr/include/omniEvents/PersistNode.h"
  #include "/usr/include/omniEvents/ProxyManager.h"
  #include "/usr/include/omniEvents/ProxyPullConsumer.h"
  #include "/usr/include/omniEvents/ProxyPullSupplier.h"
  #include "/usr/include/omniEvents/ProxyPushConsumer.h"
  #include "/usr/include/omniEvents/ProxyPushSupplier.h"
  #include "/usr/include/omniEvents/Servant.h"
  #include "/usr/include/omniEvents/SupplierAdmin.h"
  #include "/usr/include/omniEvents/config.h"
  #include "/usr/include/omniEvents/defaults.h"
  #include "/usr/include/omniEvents/omniEventsLog.h"
  #include "/usr/include/omniEvents/scour.h"
  #include "/usr/include/omniEvents/version.h"

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

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/tr2pGXKDRg/dump1.h"

In file included from /tmp/tr2pGXKDRg/dump1.h:14:
/usr/include/omniEvents/ConsumerAdmin.h:36:12: fatal error: iostream.h: No such file or directory
   36 | #  include <iostream.h>
      |            ^~~~~~~~~~~~
compilation terminated.