Temporary header file '/tmp/IaWlSx2E3q/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/lib/gcc/arm-linux-gnueabihf/12/include/stddef.h"
  #include "/usr/include/fxscintilla/Accessor.h"
  #include "/usr/include/fxscintilla/FXScintilla.h"
  #include "/usr/include/fxscintilla/KeyWords.h"
  #include "/usr/include/fxscintilla/Platform.h"
  #include "/usr/include/fxscintilla/PropSet.h"
  #include "/usr/include/fxscintilla/SciLexer.h"
  #include "/usr/include/fxscintilla/Scintilla.h"
  #include "/usr/include/fxscintilla/ScintillaWidget.h"
  #include "/usr/include/fxscintilla/WindowAccessor.h"

  // add classes
  Accessor* tmp_add_class_0;
  ColourAllocated* tmp_add_class_1;
  ColourDesired* tmp_add_class_2;
  ColourPair* tmp_add_class_3;
  DynamicLibrary* tmp_add_class_4;
  ElapsedTime* tmp_add_class_5;
  Font* tmp_add_class_6;
  LexerModule* tmp_add_class_7;
  ListBox* tmp_add_class_8;
  Menu* tmp_add_class_9;
  PRectangle* tmp_add_class_10;
  Palette* tmp_add_class_11;
  Platform* tmp_add_class_12;
  Point* tmp_add_class_13;
  PropertyGet* tmp_add_class_14;
  SCNotification* tmp_add_class_15;
  Sci_CharacterRange* tmp_add_class_16;
  Sci_NotifyHeader* tmp_add_class_17;
  Sci_RangeToFormat* tmp_add_class_18;
  Sci_Rectangle* tmp_add_class_19;
  Sci_TextRange* tmp_add_class_20;
  Sci_TextToFind* tmp_add_class_21;
  Surface* tmp_add_class_22;
  Window* tmp_add_class_23;
  WindowAccessor* tmp_add_class_24;
  WordList* tmp_add_class_25;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/IaWlSx2E3q/dump1.h"

In file included from /tmp/IaWlSx2E3q/dump1.h:14:
/usr/include/fxscintilla/FXScintilla.h:33:25: error: expected initializer before ‘:’ token
   33 | class FXAPI FXScintilla : public FXScrollArea
      |                         ^
In file included from /tmp/IaWlSx2E3q/dump1.h:15:
/usr/include/fxscintilla/KeyWords.h: In function ‘bool iswordchar(char)’:
/usr/include/fxscintilla/KeyWords.h:94:16: error: ‘isascii’ was not declared in this scope
   94 |         return isascii(ch) && (isalnum(ch) || ch == '.' || ch == '_');
      |                ^~~~~~~
/usr/include/fxscintilla/KeyWords.h:94:32: error: ‘isalnum’ was not declared in this scope
   94 |         return isascii(ch) && (isalnum(ch) || ch == '.' || ch == '_');
      |                                ^~~~~~~
/usr/include/fxscintilla/KeyWords.h: In function ‘bool iswordstart(char)’:
/usr/include/fxscintilla/KeyWords.h:98:16: error: ‘isascii’ was not declared in this scope
   98 |         return isascii(ch) && (isalnum(ch) || ch == '_');
      |                ^~~~~~~
/usr/include/fxscintilla/KeyWords.h:98:32: error: ‘isalnum’ was not declared in this scope
   98 |         return isascii(ch) && (isalnum(ch) || ch == '_');
      |                                ^~~~~~~
/usr/include/fxscintilla/KeyWords.h: In function ‘bool isoperator(char)’:
/usr/include/fxscintilla/KeyWords.h:102:13: error: ‘isascii’ was not declared in this scope
  102 |         if (isascii(ch) && isalnum(ch))
      |             ^~~~~~~
/usr/include/fxscintilla/KeyWords.h:102:28: error: ‘isalnum’ was not declared in this scope
  102 |         if (isascii(ch) && isalnum(ch))
      |                            ^~~~~~~