Temporary header file '/tmp/5P8_P1xPXp/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/qzxing/QZXing.h"
  #include "/usr/include/qzxing/QZXingFilter.h"
  #include "/usr/include/qzxing/QZXingImageProvider.h"
  #include "/usr/include/qzxing/QZXing_global.h"

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/5P8_P1xPXp/dump1.h"

In file included from /usr/include/qzxing/QZXing.h:20,
                 from /tmp/5P8_P1xPXp/dump1.h:12:
/usr/include/qzxing/QZXing_global.h:20:10: fatal error: QtCore/QtGlobal: No such file or directory
   20 | #include <QtCore/QtGlobal>
      |          ^~~~~~~~~~~~~~~~~
compilation terminated.

