Firefox most recent version

Just compiled Firefox on FreeBSD 13.0-RC3-p1

And got

[Parent 54716, Main Thread] WARNING: NS_ENSURE_TRUE(rootFrame) failed: file /usr/ports/www/firefox/work/firefox-87.0/dom/base/nsGlobalWindowOuter.cpp:4254
[Parent 54716, Main Thread] WARNING: Can't get nsINetworkLinkService.: file /usr/ports/www/firefox/work/firefox-87.0/dom/media/VideoUtils.cpp:760
[Parent 54716, Main Thread] WARNING: Can't get nsINetworkLinkService.: file /usr/ports/www/firefox/work/firefox-87.0/dom/media/VideoUtils.cpp:760
[Parent 54716, Main Thread] WARNING: NS_ENSURE_TRUE(presShell) failed: file /usr/ports/www/firefox/work/firefox-87.0/dom/base/nsGlobalWindowOuter.cpp:4252
[Parent 54716, GMPThread] WARNING: Failed to delete GMP storage directory: file /usr/ports/www/firefox/work/firefox-87.0/dom/media/gmp/GMPServiceParent.cpp:1566
[Parent 54716, Main Thread] WARNING: Need BrowserChild to get the nativeWindow from!: file /usr/ports/www/firefox/work/firefox-87.0/widget/PuppetWidget.cpp:980
[Parent 54716, Main Thread] WARNING: Need BrowserChild to get the nativeWindow from!: file /usr/ports/www/firefox/work/firefox-87.0/widget/PuppetWidget.cpp:980
[Parent 54716, Main Thread] WARNING: Need BrowserChild to get the nativeWindow from!: file /usr/ports/www/firefox/work/firefox-87.0/widget/PuppetWidget.cpp:980
[Parent 54716, Main Thread] WARNING: NS_ENSURE_TRUE(presShell) failed: file /usr/ports/www/firefox/work/firefox-87.0/dom/base/nsGlobalWindowOuter.cpp:4252
[Child 54718, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80040111 (NS_ERROR_NOT_AVAILABLE): file /usr/ports/www/firefox/work/firefox-87.0/caps/BasePrincipal.cpp:1349
[Child 54718, Main Thread] WARNING: 'NS_FAILED(rv)', file /usr/ports/www/firefox/work/firefox-87.0/dom/storage/LocalStorageManager.cpp:165
Crash Annotation GraphicsCriticalError: |[0][GFX1]: RGBX corner pixel at (0,0) in 1280x947 surface, bounded by (0,0,1280,947) is not opaque: 171,171,172,255 (t=4.44131) [GFX1]: RGBX corner pixel at (0,0) in 1280x947 surface, bounded by (0,0,1280,947) is not opaque: 171,171,172,255
Assertion failure: [GFX1]: RGBX corner pixel at (0,0) in 1280x947 surface, bounded by (0,0,1280,947) is not opaque: 171,171,172,255, at /usr/ports/www/firefox/work/firefox-87.0/gfx/2d/Logging.h:754
#01: ???[/usr/local/lib/firefox/libxul.so +0x429b0ca]
#02: ???[/usr/local/lib/firefox/libxul.so +0x4291b66]
#03: ???[/usr/local/lib/firefox/libxul.so +0x42953e3]
#04: ???[/usr/local/lib/firefox/libxul.so +0x4293433]
#05: ???[/usr/local/lib/firefox/libxul.so +0x45649b9]
#06: ???[/usr/local/lib/firefox/libxul.so +0x43d9c6a]
#07: ???[/usr/local/lib/firefox/libxul.so +0x43d1e63]
#08: ???[/usr/local/lib/firefox/libxul.so +0x459f102]
#09: ???[/usr/local/lib/firefox/libxul.so +0x45c3980]
#10: ???[/usr/local/lib/firefox/libxul.so +0x45bdde7]
#11: ???[/usr/local/lib/firefox/libxul.so +0x4599050]
#12: ???[/usr/local/lib/firefox/libxul.so +0x45b44c6]
#13: ???[/usr/local/lib/firefox/libxul.so +0x45afcdc]
#14: ???[/usr/local/lib/firefox/libxul.so +0x45ede27]
#15: ???[/usr/local/lib/firefox/libxul.so +0x45feb5f]
#16: ???[/usr/local/lib/firefox/libxul.so +0x46245ba]
#17: ???[/usr/local/lib/firefox/libxul.so +0x348a830]
#18: ???[/usr/local/lib/firefox/libxul.so +0x349117e]
#19: ???[/usr/local/lib/firefox/libxul.so +0x3b15cd0]
#20: ???[/usr/local/lib/firefox/libxul.so +0x3aafa0f]
#21: ???[/usr/local/lib/firefox/libxul.so +0x34870c3]
#22: ???[/usr/local/lib/libnspr4.so +0x3f601]
#23: ???[/lib/libthr.so.3 +0x1082b]
Hit MOZ_CRASH(GFX: An assert from the graphics logger) at /usr/ports/www/firefox/work/firefox-87.0/gfx/2d/Logging.h:755
#01: ???[/usr/local/lib/firefox/libxul.so +0x429b0ca]
#02: ???[/usr/local/lib/firefox/libxul.so +0x4291b66]
#03: ???[/usr/local/lib/firefox/libxul.so +0x42953e3]
#04: ???[/usr/local/lib/firefox/libxul.so +0x4293433]
#05: ???[/usr/local/lib/firefox/libxul.so +0x45649b9]
#06: ???[/usr/local/lib/firefox/libxul.so +0x43d9c6a]
#07: ???[/usr/local/lib/firefox/libxul.so +0x43d1e63]
#08: ???[/usr/local/lib/firefox/libxul.so +0x459f102]
#09: ???[/usr/local/lib/firefox/libxul.so +0x45c3980]
#10: ???[/usr/local/lib/firefox/libxul.so +0x45bdde7]
#11: ???[/usr/local/lib/firefox/libxul.so +0x4599050]
#12: ???[/usr/local/lib/firefox/libxul.so +0x45b44c6]
#13: ???[/usr/local/lib/firefox/libxul.so +0x45afcdc]
#14: ???[/usr/local/lib/firefox/libxul.so +0x45ede27]
#15: ???[/usr/local/lib/firefox/libxul.so +0x45feb5f]
#16: ???[/usr/local/lib/firefox/libxul.so +0x46245ba]
#17: ???[/usr/local/lib/firefox/libxul.so +0x348a830]
#18: ???[/usr/local/lib/firefox/libxul.so +0x349117e]
#19: ???[/usr/local/lib/firefox/libxul.so +0x3b15cd0]
#20: ???[/usr/local/lib/firefox/libxul.so +0x3aafa0f]
#21: ???[/usr/local/lib/firefox/libxul.so +0x34870c3]
#22: ???[/usr/local/lib/libnspr4.so +0x3f601]
#23: ???[/lib/libthr.so.3 +0x1082b]
[Child 54719, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80040111 (NS_ERROR_NOT_AVAILABLE): file /usr/ports/www/firefox/work/firefox-87.0/caps/BasePrincipal.cpp:1349
[Child 54719, Main Thread] WARNING: 'NS_FAILED(rv)', file /usr/ports/www/firefox/work/firefox-87.0/dom/storage/LocalStorageManager.cpp:165
[Child 54719, Main Thread] WARNING: Fallback to BasicLayerManager: file /usr/ports/www/firefox/work/firefox-87.0/dom/ipc/BrowserChild.cpp:2697
[Child 54719, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80040111 (NS_ERROR_NOT_AVAILABLE): file /usr/ports/www/firefox/work/firefox-87.0/caps/BasePrincipal.cpp:1349
[Child 54719, Main Thread] WARNING: 'NS_FAILED(rv)', file /usr/ports/www/firefox/work/firefox-87.0/dom/storage/LocalStorageManager.cpp:165
[Child 54719, Main Thread] WARNING: Fallback to BasicLayerManager: file /usr/ports/www/firefox/work/firefox-87.0/dom/ipc/BrowserChild.cpp:2697
[Child 54719, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80040111 (NS_ERROR_NOT_AVAILABLE): file /usr/ports/www/firefox/work/firefox-87.0/caps/BasePrincipal.cpp:1349
[Child 54719, Main Thread] WARNING: 'NS_FAILED(rv)', file /usr/ports/www/firefox/work/firefox-87.0/dom/storage/LocalStorageManager.cpp:165
[Child 54719, Main Thread] WARNING: Fallback to BasicLayerManager: file /usr/ports/www/firefox/work/firefox-87.0/dom/ipc/BrowserChild.cpp:2697
[Child 54719, IPC I/O Child] WARNING: FileDescriptorSet destroyed with unconsumed descriptors: file /usr/ports/www/firefox/work/firefox-87.0/ipc/chromium/src/chrome/common/file_descriptor_set_posix.cc:19
Exiting due to channel error.
[Child 54719, IPC I/O Child] WARNING: FileDescriptorSet destroyed with unconsumed descriptors: file /usr/ports/www/firefox/work/firefox-87.0/ipc/chromium/src/chrome/common/file_descriptor_set_posix.cc:19
[Child 54719, IPC I/O Child] WARNING: FileDescriptorSet destroyed with unconsumed descriptors: file /usr/ports/www/firefox/work/firefox-87.0/ipc/chromium/src/chrome/common/file_descriptor_set_posix.cc:19
Exiting due to channel error.
Segmentation fault (core dumped)

How do I debug this crash?

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