Temporary header file '/tmp/u3OT0sxvjH/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/zsh/Modules/curses_keys.h"
  #include "/usr/include/zsh/Modules/errcount.h"
  #include "/usr/include/zsh/Modules/tcp.h"
  #include "/usr/include/zsh/Zle/comp.h"
  #include "/usr/include/zsh/Zle/compctl.h"
  #include "/usr/include/zsh/Zle/zle.h"
  #include "/usr/include/zsh/Zle/zle_things.h"
  #include "/usr/include/zsh/Zle/zle_widget.h"
  #include "/usr/include/zsh/config.h"
  #include "/usr/include/zsh/hashtable.h"
  #include "/usr/include/zsh/patchlevel.h"
  #include "/usr/include/zsh/prototypes.h"
  #include "/usr/include/zsh/sigcount.h"
  #include "/usr/include/zsh/signals.h"
  #include "/usr/include/zsh/version.h"
  #include "/usr/include/zsh/wcwidth9.h"
  #include "/usr/include/zsh/zsh.h"
  #include "/usr/include/zsh/zsh_system.h"
  #include "/usr/include/zsh/zshcurses.h"
  #include "/usr/include/zsh/zshpaths.h"
  #include "/usr/include/zsh/zshterm.h"
  #include "/usr/include/zsh/zshxmods.h"
  #include "/usr/include/zsh/ztype.h"

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/u3OT0sxvjH/dump1.h"

In file included from /tmp/u3OT0sxvjH/dump1.h:14:
/usr/include/zsh/Modules/tcp.h:36:10: fatal error: zsh/../config.h: No such file or directory
   36 | #include <zsh/../config.h>
      |          ^~~~~~~~~~~~~~~~~
compilation terminated.