Temporary header file '/tmp/Z04C3pstT8/dump1.h' with the following content will be compiled to create GCC translation unit dump:

  // add defines
  #define __STDC_VERSION__ 201710L
#define _TIME_BITS 64
#define _FILE_OFFSET_BITS 64
#define _GXX_NULLPTR_T
#define CLUTTER_ENABLE_COMPOSITOR_API 1
#define _REGEX_NELTS(n)
#define _Atomic
#define PACKED
#ifdef __cplusplus
// C17 compat layer
#define _Alignof(type) alignof(type)
#endif
#define getaddrinfo_a(a,b,c,d)

  // add includes
  #include "/usr/include/c++/12/cstddef"
  #include "/usr/include/c++/12/cstdio"
  #include "/usr/include/GraphicsMagick/magick/common.h"
  #include "/usr/include/GraphicsMagick/magick/image.h"
  #include "/usr/include/GraphicsMagick/magick/magick.h"
  #include "/usr/include/GraphicsMagick/wand/wand_api.h"
  #include "/usr/include/GraphicsMagick/magick/analyze.h"
  #include "/usr/include/GraphicsMagick/magick/api.h"
  #include "/usr/include/GraphicsMagick/magick/attribute.h"
  #include "/usr/include/GraphicsMagick/magick/average.h"
  #include "/usr/include/GraphicsMagick/magick/blob.h"
  #include "/usr/include/GraphicsMagick/magick/cdl.h"
  #include "/usr/include/GraphicsMagick/magick/channel.h"
  #include "/usr/include/GraphicsMagick/magick/color.h"
  #include "/usr/include/GraphicsMagick/magick/color_lookup.h"
  #include "/usr/include/GraphicsMagick/magick/colormap.h"
  #include "/usr/include/GraphicsMagick/magick/colorspace.h"
  #include "/usr/include/GraphicsMagick/magick/command.h"
  #include "/usr/include/GraphicsMagick/magick/compare.h"
  #include "/usr/include/GraphicsMagick/magick/composite.h"
  #include "/usr/include/GraphicsMagick/magick/compress.h"
  #include "/usr/include/GraphicsMagick/magick/confirm_access.h"
  #include "/usr/include/GraphicsMagick/magick/constitute.h"
  #include "/usr/include/GraphicsMagick/magick/decorate.h"
  #include "/usr/include/GraphicsMagick/magick/delegate.h"
  #include "/usr/include/GraphicsMagick/magick/deprecate.h"
  #include "/usr/include/GraphicsMagick/magick/describe.h"
  #include "/usr/include/GraphicsMagick/magick/draw.h"
  #include "/usr/include/GraphicsMagick/magick/effect.h"
  #include "/usr/include/GraphicsMagick/magick/enhance.h"
  #include "/usr/include/GraphicsMagick/magick/enum_strings.h"
  #include "/usr/include/GraphicsMagick/magick/error.h"
  #include "/usr/include/GraphicsMagick/magick/forward.h"
  #include "/usr/include/GraphicsMagick/magick/fx.h"
  #include "/usr/include/GraphicsMagick/magick/gem.h"
  #include "/usr/include/GraphicsMagick/magick/gradient.h"
  #include "/usr/include/GraphicsMagick/magick/hclut.h"
  #include "/usr/include/GraphicsMagick/magick/list.h"
  #include "/usr/include/GraphicsMagick/magick/log.h"
  #include "/usr/include/GraphicsMagick/magick/magic.h"
  #include "/usr/include/GraphicsMagick/magick/magick_config.h"
  #include "/usr/include/GraphicsMagick/magick/magick_types.h"
  #include "/usr/include/GraphicsMagick/magick/memory.h"
  #include "/usr/include/GraphicsMagick/magick/module.h"
  #include "/usr/include/GraphicsMagick/magick/monitor.h"
  #include "/usr/include/GraphicsMagick/magick/montage.h"
  #include "/usr/include/GraphicsMagick/magick/operator.h"
  #include "/usr/include/GraphicsMagick/magick/paint.h"
  #include "/usr/include/GraphicsMagick/magick/pixel_cache.h"
  #include "/usr/include/GraphicsMagick/magick/pixel_iterator.h"
  #include "/usr/include/GraphicsMagick/magick/plasma.h"
  #include "/usr/include/GraphicsMagick/magick/profile.h"
  #include "/usr/include/GraphicsMagick/magick/quantize.h"
  #include "/usr/include/GraphicsMagick/magick/random.h"
  #include "/usr/include/GraphicsMagick/magick/registry.h"
  #include "/usr/include/GraphicsMagick/magick/render.h"
  #include "/usr/include/GraphicsMagick/magick/resize.h"
  #include "/usr/include/GraphicsMagick/magick/resource.h"
  #include "/usr/include/GraphicsMagick/magick/shear.h"
  #include "/usr/include/GraphicsMagick/magick/signature.h"
  #include "/usr/include/GraphicsMagick/magick/statistics.h"
  #include "/usr/include/GraphicsMagick/magick/symbols.h"
  #include "/usr/include/GraphicsMagick/magick/texture.h"
  #include "/usr/include/GraphicsMagick/magick/timer.h"
  #include "/usr/include/GraphicsMagick/magick/transform.h"
  #include "/usr/include/GraphicsMagick/magick/type.h"
  #include "/usr/include/GraphicsMagick/magick/utility.h"
  #include "/usr/include/GraphicsMagick/magick/version.h"
  #include "/usr/include/GraphicsMagick/wand/drawing_wand.h"
  #include "/usr/include/GraphicsMagick/wand/magick_wand.h"
  #include "/usr/include/GraphicsMagick/wand/pixel_wand.h"
  #include "/usr/include/GraphicsMagick/wand/wand_symbols.h"

  // add classes
  _AffineMatrix* tmp_add_class_0;
  _Ascii85Info* tmp_add_class_1;
  _ChromaticityInfo* tmp_add_class_2;
  _CompositeOptions_t* tmp_add_class_3;
  _DelegateInfo* tmp_add_class_4;
  _DifferenceImageOptions* tmp_add_class_5;
  _DifferenceStatistics* tmp_add_class_6;
  _DoublePixelPacket* tmp_add_class_7;
  _DrawInfo* tmp_add_class_8;
  _ElementReference* tmp_add_class_9;
  _ErrorInfo* tmp_add_class_10;
  _ExceptionInfo* tmp_add_class_11;
  _ExportPixelAreaInfo* tmp_add_class_12;
  _ExportPixelAreaOptions* tmp_add_class_13;
  _FloatPixelPacket* tmp_add_class_14;
  _FrameInfo* tmp_add_class_15;
  _G_fpos64_t* tmp_add_class_16;
  _G_fpos_t* tmp_add_class_17;
  _GradientInfo* tmp_add_class_18;
  _HistogramColorPacket* tmp_add_class_19;
  _IO_cookie_io_functions_t* tmp_add_class_20;
  _Image* tmp_add_class_21;
  _ImageAttribute* tmp_add_class_22;
  _ImageChannelStatistics* tmp_add_class_23;
  _ImageCharacteristics* tmp_add_class_24;
  _ImageInfo* tmp_add_class_25;
  _ImageStatistics* tmp_add_class_26;
  _ImportPixelAreaInfo* tmp_add_class_27;
  _ImportPixelAreaOptions* tmp_add_class_28;
  _LongPixelPacket* tmp_add_class_29;
  _MagickInfo* tmp_add_class_30;
  _MagickRandomKernel* tmp_add_class_31;
  _MontageInfo* tmp_add_class_32;
  _PixelIteratorOptions* tmp_add_class_33;
  _PixelPacket* tmp_add_class_34;
  _PointInfo* tmp_add_class_35;
  _PrimaryInfo* tmp_add_class_36;
  _ProfileInfo* tmp_add_class_37;
  _QuantizeInfo* tmp_add_class_38;
  _RectangleInfo* tmp_add_class_39;
  _SegmentInfo* tmp_add_class_40;
  _Timer* tmp_add_class_41;
  _TimerInfo* tmp_add_class_42;
  _TokenInfo* tmp_add_class_43;
  _TypeInfo* tmp_add_class_44;
  _TypeMetric* tmp_add_class_45;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/Z04C3pstT8/dump1.h"  -I/usr/include/GraphicsMagick