'gegl' segfault breaks "gimp" build

["John D. Baker" <jdbaker%consolidated.net@localhost>]

With the freeze for 2022Q1 just days away, I've updated my pkgsrc tree
to head and have rebuilt nearly everything.  The one failure I've
encountered on netbsd-9/amd64 (up-to-date 9.2_STABLE) is when building
"graphics/gimp".  The following fails:

[...]
mkdir -p `dirname 64/gimp-texture.png` && GEGL_USE_OPENCL=no GEGL_SWAP=ram /usr/pkg/bin/gegl ../../icons/Symbolic/64/gimp-texture.png -o 64/gimp-texture.png -- cast-format input-format="R'G'B'A float" output-format="RGBA float" brightness-contrast contrast=1.5 cast-format input-format="RGBA float" output-format="R'G'B'A float"
gmake[3]: *** [Makefile:2433: 64/gimp-texture.png] Segmentation fault (core dumped)
gmake[3]: Leaving directory '/tmp/pkgsrc/graphics/gimp/work/gimp-2.10.30/icons/Symbolic-High-Contrast'
gmake[2]: *** [Makefile:658: all-recursive] Error 1
gmake[2]: Leaving directory '/tmp/pkgsrc/graphics/gimp/work/gimp-2.10.30/icons'
gmake[1]: *** [Makefile:849: all-recursive] Error 1
gmake[1]: Leaving directory '/tmp/pkgsrc/graphics/gimp/work/gimp-2.10.30'
gmake: *** [Makefile:750: all] Error 2
*** Error code 2

Stop.
make[1]: stopped in /x/pkgsrc/graphics/gimp
*** Error code 1

Stop.
make: stopped in /x/pkgsrc/graphics/gimp


Having rebuilt both "graphics/babl" and "graphics/gegl" with:

  CFLAGS+=   -ggdb
  CXXFLAGS+= -ggdb

'gdb' shows the following backtrace:

[New process 1]
[New process 9]
[New process 4]
[New process 3]
[New process 2]
Core was generated by `gegl'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  _mm_shuffle_epi32 (__mask=0, __A=...) at /usr/include/gcc-7/emmintrin.h:1422
1422      return (__m128i)__builtin_ia32_pshufd ((__v4si)__A, __mask);
[Current thread is 1 (process 1)]
#0  _mm_shuffle_epi32 (__mask=0, __A=...) at /usr/include/gcc-7/emmintrin.h:1422
#1  babl_matrix_mul_vectorff_buf4_sse2 (samples=32, v_out=0x7f7fff5dc8c8, v_in=0x7f7fff5dc8c8, mat=0x7026bffec030) at ../babl/base/babl-rgb-converter.c:245
#2  universal_nonlinear_rgb_u8_converter_sse2 (conversion=<optimized out>, src_char=0x7026c0867190 "\343\340\366[\252\326\372\\\240", dst_char=0x7026c08670f0 "", samples=32, data=0x7026bffec030) at ../babl/base/babl-rgb-converter.c:318
#3  0x00007026c120a521 in _babl_process (n=32, destination=0x7026c1176430, source=0x7026c18fc520, cbabl=<optimized out>) at ../babl/babl-fish-path.c:1323
#4  babl_process (babl=<optimized out>, source=source@entry=0x7026c0867190, destination=destination@entry=0x7026c08670f0, n=n@entry=32) at ../babl/babl-fish-path.c:1333
#5  0x00007026c12066c0 in babl_conversion_error (conversion=0x7026c094d7b0) at ../babl/babl-conversion.c:504
#6  0x00007026c1208e38 in get_conversion_path (pc=pc@entry=0x7f7fff5dd020, current_format=current_format@entry=0x7026c15f5a30, current_length=current_length@entry=3, max_length=max_length@entry=3, legal_error=legal_error@entry=4.6999999999999999e-06) at ../babl/babl-fish-path.c:690
#7  0x00007026c1208dc6 in get_conversion_path (pc=pc@entry=0x7f7fff5dd020, current_format=current_format@entry=0x7026c15bb530, current_length=current_length@entry=2, max_length=max_length@entry=3, legal_error=legal_error@entry=4.6999999999999999e-06) at ../babl/babl-fish-path.c:749
#8  0x00007026c1208dc6 in get_conversion_path (pc=pc@entry=0x7f7fff5dd020, current_format=current_format@entry=0x7026c086e870, current_length=current_length@entry=1, max_length=max_length@entry=3, legal_error=legal_error@entry=4.6999999999999999e-06) at ../babl/babl-fish-path.c:749
#9  0x00007026c1208dc6 in get_conversion_path (pc=pc@entry=0x7f7fff5dd020, current_format=current_format@entry=0x7026c15a2ff0, current_length=current_length@entry=0, max_length=3, legal_error=legal_error@entry=4.6999999999999999e-06) at ../babl/babl-fish-path.c:749
#10 0x00007026c120a16f in babl_fish_path2 (source=source@entry=0x7026c15a2ff0, destination=destination@entry=0x7026c15f5a30, tolerance=4.6999999999999999e-06, tolerance@entry=0) at ../babl/babl-fish-path.c:1137
#11 0x00007026c120a513 in babl_fish_path (source=source@entry=0x7026c15a2ff0, destination=destination@entry=0x7026c15f5a30) at ../babl/babl-fish-path.c:1209
#12 0x00007026c120e9b7 in babl_fish (source=<optimized out>, destination=destination@entry=0x7026c15f5a30) at ../babl/babl-fish.c:304
#13 0x00007026c1640000 in gegl_buffer_iterate_read_simple (buffer=buffer@entry=0x7026c091d1a0, roi=roi@entry=0x7f7fff5dd680, buf=buf@entry=0x70269a3ffd50 "", buf_stride=buf_stride@entry=1024, format=format@entry=0x7026c15f5a30, level=level@entry=0) at ../gegl/buffer/gegl-buffer-access.c:971
#14 0x00007026c164116c in gegl_buffer_iterate_read_dispatch (buffer=buffer@entry=0x7026c091d1a0, roi=roi@entry=0x7f7fff5dd7c0, buf=0x70269a3ffd50 "", rowstride=1024, rowstride@entry=0, format=0x7026c15f5a30, level=level@entry=0, repeat_mode=repeat_mode@entry=GEGL_ABYSS_NONE) at ../gegl/buffer/gegl-buffer-access.c:1864
#15 0x00007026c1643081 in gegl_buffer_copy2 (src=src@entry=0x7026c091d1a0, repeat_mode=repeat_mode@entry=GEGL_ABYSS_NONE, dst=dst@entry=0x7026c08760d0, dst_rect=dst_rect@entry=0x7f7fff5dd880, src_rect=<optimized out>, src_rect=<optimized out>) at ../gegl/buffer/gegl-buffer-access.c:2374
#16 0x00007026c16442dd in gegl_buffer_copy (src=src@entry=0x7026c091d1a0, src_rect=0x7f7fff5dd870, src_rect@entry=0x7026c15698b0, repeat_mode=repeat_mode@entry=GEGL_ABYSS_NONE, dst=dst@entry=0x7026c08760d0, dst_rect=0x7f7fff5dd880, dst_rect@entry=0x7026c15698b0) at ../gegl/buffer/gegl-buffer-access.c:2646
#17 0x0000702684a055d4 in process (operation=<optimized out>, context=0x7026c15698a0, output_prop=<optimized out>, roi=0x7026c15698b0, level=<optimized out>) at ../operations/core/cast-format.c:89
#18 0x00007026c167c5e8 in gegl_operation_process (operation=0x7026c0d55990, context=0x7026c15698a0, output_pad=<optimized out>, result=0x7026c15698b0, level=0) at ../gegl/operation/gegl-operation.c:176
#19 0x00007026c167e181 in gegl_graph_process (path=0x7026c0d44930, level=level@entry=0) at ../gegl/process/gegl-graph-traversal.c:486
#20 0x00007026c167d512 in gegl_eval_manager_apply (self=self@entry=0x7026c156af00, roi=roi@entry=0x7f7fff5ddab0, level=level@entry=0) at ../gegl/process/gegl-eval-manager.c:128
#21 0x00007026c16672fa in gegl_node_blit_buffer (self=self@entry=0x7026c1913890, buffer=buffer@entry=0x7026c091d060, roi=roi@entry=0x7026c095b5c0, level=level@entry=0, abyss_policy=abyss_policy@entry=GEGL_ABYSS_NONE) at ../gegl/graph/gegl-node.c:1139
#22 0x00007026c1667ab1 in gegl_node_blit (self=0x7026c1913890, scale=1, roi=roi@entry=0x7026c095b5c0, format=format@entry=0x7026c15f5a30, destination_buf=destination_buf@entry=0x0, rowstride=1024, rowstride@entry=0, flags=flags@entry=GEGL_BLIT_CACHE) at ../gegl/graph/gegl-node.c:1215
#23 0x00007026c167f687 in render_rectangle (processor=0x7026c0d5def0) at ../gegl/process/gegl-processor.c:513
#24 gegl_processor_render (progress=0x0, rectangle=0x7026c0d5df18, processor=0x7026c0d5def0) at ../gegl/process/gegl-processor.c:647
#25 gegl_processor_work (processor=processor@entry=0x7026c0d5def0, progress=progress@entry=0x0) at ../gegl/process/gegl-processor.c:781
#26 0x00007026c16674d3 in gegl_node_process (self=<optimized out>) at ../gegl/graph/gegl-node.c:1861
#27 0x00000000ea6041cf in main (argc=<optimized out>, argv=<optimized out>) at ../bin/gegl.c:379


The most recent bulk-build of pkgsrc-current on NetBSD 9.0 amd64 is:

  https://mail-index.netbsd.org/pkgsrc-bulk/2022/03/19/msg022209.html

which seems to indicate there was no problem building "graphics/gimp"
at that time.

Has anyone run into anything similar?

Thanks.

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