Temporary header file '/tmp/IidXkxWbRE/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/lua5.1/lxplib.h"
  #include "/usr/include/lua5.2/lxplib.h"
  #include "/usr/include/lua5.3/lxplib.h"
  #include "/usr/include/lua5.4/lxplib.h"

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

In file included from /tmp/IidXkxWbRE/dump1.h:12:
/usr/include/lua5.1/lxplib.h:32:18: error: ‘lua_State’ was not declared in this scope
   32 | int luaopen_lxp (lua_State *L);
      |                  ^~~~~~~~~
/usr/include/lua5.1/lxplib.h:32:29: error: ‘L’ was not declared in this scope
   32 | int luaopen_lxp (lua_State *L);
      |                             ^
In file included from /tmp/IidXkxWbRE/dump1.h:13:
/usr/include/lua5.2/lxplib.h:32:5: error: redefinition of ‘int luaopen_lxp’
   32 | int luaopen_lxp (lua_State *L);
      |     ^~~~~~~~~~~
/usr/include/lua5.1/lxplib.h:32:5: note: ‘int luaopen_lxp’ previously defined here
   32 | int luaopen_lxp (lua_State *L);
      |     ^~~~~~~~~~~
/usr/include/lua5.2/lxplib.h:32:18: error: ‘lua_State’ was not declared in this scope
   32 | int luaopen_lxp (lua_State *L);
      |                  ^~~~~~~~~
/usr/include/lua5.2/lxplib.h:32:29: error: ‘L’ was not declared in this scope
   32 | int luaopen_lxp (lua_State *L);
      |                             ^
In file included from /tmp/IidXkxWbRE/dump1.h:14:
/usr/include/lua5.3/lxplib.h:32:5: error: redefinition of ‘int luaopen_lxp’
   32 | int luaopen_lxp (lua_State *L);
      |     ^~~~~~~~~~~
/usr/include/lua5.1/lxplib.h:32:5: note: ‘int luaopen_lxp’ previously defined here
   32 | int luaopen_lxp (lua_State *L);
      |     ^~~~~~~~~~~
/usr/include/lua5.3/lxplib.h:32:18: error: ‘lua_State’ was not declared in this scope
   32 | int luaopen_lxp (lua_State *L);
      |                  ^~~~~~~~~
/usr/include/lua5.3/lxplib.h:32:29: error: ‘L’ was not declared in this scope
   32 | int luaopen_lxp (lua_State *L);
      |                             ^
In file included from /tmp/IidXkxWbRE/dump1.h:15:
/usr/include/lua5.4/lxplib.h:32:5: error: redefinition of ‘int luaopen_lxp’
   32 | int luaopen_lxp (lua_State *L);
      |     ^~~~~~~~~~~
/usr/include/lua5.1/lxplib.h:32:5: note: ‘int luaopen_lxp’ previously defined here
   32 | int luaopen_lxp (lua_State *L);
      |     ^~~~~~~~~~~
/usr/include/lua5.4/lxplib.h:32:18: error: ‘lua_State’ was not declared in this scope
   32 | int luaopen_lxp (lua_State *L);
      |                  ^~~~~~~~~
/usr/include/lua5.4/lxplib.h:32:29: error: ‘L’ was not declared in this scope
   32 | int luaopen_lxp (lua_State *L);
      |                             ^