Temporary header file '/tmp/ps97Ff2Iud/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/gemmlowp/eight_bit_int_gemm/eight_bit_int_gemm.h"
  #include "/usr/include/gemmlowp/fixedpoint/fixedpoint.h"
  #include "/usr/include/gemmlowp/fixedpoint/fixedpoint_avx.h"
  #include "/usr/include/gemmlowp/fixedpoint/fixedpoint_msa.h"
  #include "/usr/include/gemmlowp/fixedpoint/fixedpoint_neon.h"
  #include "/usr/include/gemmlowp/fixedpoint/fixedpoint_sse.h"
  #include "/usr/include/gemmlowp/fixedpoint/fixedpoint_wasmsimd.h"
  #include "/usr/include/gemmlowp/internal/allocator.h"
  #include "/usr/include/gemmlowp/internal/block_params.h"
  #include "/usr/include/gemmlowp/internal/common.h"
  #include "/usr/include/gemmlowp/internal/compute.h"
  #include "/usr/include/gemmlowp/internal/detect_platform.h"
  #include "/usr/include/gemmlowp/internal/dispatch_gemm_shape.h"
  #include "/usr/include/gemmlowp/internal/kernel.h"
  #include "/usr/include/gemmlowp/internal/kernel_avx.h"
  #include "/usr/include/gemmlowp/internal/kernel_default.h"
  #include "/usr/include/gemmlowp/internal/kernel_msa.h"
  #include "/usr/include/gemmlowp/internal/kernel_neon.h"
  #include "/usr/include/gemmlowp/internal/kernel_reference.h"
  #include "/usr/include/gemmlowp/internal/kernel_sse.h"
  #include "/usr/include/gemmlowp/internal/multi_thread_gemm.h"
  #include "/usr/include/gemmlowp/internal/output.h"
  #include "/usr/include/gemmlowp/internal/output_avx.h"
  #include "/usr/include/gemmlowp/internal/output_msa.h"
  #include "/usr/include/gemmlowp/internal/output_neon.h"
  #include "/usr/include/gemmlowp/internal/output_sse.h"
  #include "/usr/include/gemmlowp/internal/pack.h"
  #include "/usr/include/gemmlowp/internal/pack_avx.h"
  #include "/usr/include/gemmlowp/internal/pack_msa.h"
  #include "/usr/include/gemmlowp/internal/pack_neon.h"
  #include "/usr/include/gemmlowp/internal/pack_sse.h"
  #include "/usr/include/gemmlowp/internal/platform.h"
  #include "/usr/include/gemmlowp/internal/simd_wrappers.h"
  #include "/usr/include/gemmlowp/internal/simd_wrappers_common_neon_sse.h"
  #include "/usr/include/gemmlowp/internal/simd_wrappers_msa.h"
  #include "/usr/include/gemmlowp/internal/simd_wrappers_neon.h"
  #include "/usr/include/gemmlowp/internal/simd_wrappers_sse.h"
  #include "/usr/include/gemmlowp/internal/single_thread_gemm.h"
  #include "/usr/include/gemmlowp/internal/unpack.h"
  #include "/usr/include/gemmlowp/meta/base.h"
  #include "/usr/include/gemmlowp/meta/legacy_multi_thread_common.h"
  #include "/usr/include/gemmlowp/meta/legacy_multi_thread_gemm.h"
  #include "/usr/include/gemmlowp/meta/legacy_multi_thread_gemv.h"
  #include "/usr/include/gemmlowp/meta/legacy_operations_common.h"
  #include "/usr/include/gemmlowp/meta/legacy_single_thread_gemm.h"
  #include "/usr/include/gemmlowp/meta/multi_thread_common.h"
  #include "/usr/include/gemmlowp/meta/multi_thread_gemm.h"
  #include "/usr/include/gemmlowp/meta/multi_thread_transform.h"
  #include "/usr/include/gemmlowp/meta/quantized_mul_kernels.h"
  #include "/usr/include/gemmlowp/meta/quantized_mul_kernels_arm_32.h"
  #include "/usr/include/gemmlowp/meta/quantized_mul_kernels_arm_64.h"
  #include "/usr/include/gemmlowp/meta/single_thread_gemm.h"
  #include "/usr/include/gemmlowp/meta/single_thread_transform.h"
  #include "/usr/include/gemmlowp/meta/streams.h"
  #include "/usr/include/gemmlowp/meta/streams_arm_32.h"
  #include "/usr/include/gemmlowp/meta/streams_arm_64.h"
  #include "/usr/include/gemmlowp/meta/transform_kernels.h"
  #include "/usr/include/gemmlowp/meta/transform_kernels_arm_32.h"
  #include "/usr/include/gemmlowp/meta/transform_kernels_arm_64.h"
  #include "/usr/include/gemmlowp/profiling/instrumentation.h"
  #include "/usr/include/gemmlowp/profiling/profiler.h"
  #include "/usr/include/gemmlowp/profiling/pthread_everywhere.h"
  #include "/usr/include/gemmlowp/public/bit_depth.h"
  #include "/usr/include/gemmlowp/public/gemmlowp.h"
  #include "/usr/include/gemmlowp/public/map.h"
  #include "/usr/include/gemmlowp/public/output_stages.h"

  // add namespaces
  namespace gemmlowp{typedef int tmp_add_type_1;}
  gemmlowp::tmp_add_type_1 tmp_add_func_1(){return 0;};
  namespace gemmlowp{namespace eight_bit_int_gemm{typedef int tmp_add_type_2;}}
  gemmlowp::eight_bit_int_gemm::tmp_add_type_2 tmp_add_func_2(){return 0;};

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/ps97Ff2Iud/dump1.h"  -I/usr/include/gemmlowp

In file included from /tmp/ps97Ff2Iud/dump1.h:14:
/usr/include/gemmlowp/fixedpoint/fixedpoint_avx.h:20:10: fatal error: immintrin.h: No such file or directory
   20 | #include <immintrin.h>
      |          ^~~~~~~~~~~~~
compilation terminated.