Several packages like  mingw32-liborcus fails to extract symbols caused by a
crash of i686-w64-mingw32-dump_syms: 

[  118s] extracting debug info from
/home/abuild/rpmbuild/BUILDROOT/mingw32-liborcus-0.11.2-lp153.6.1.x86_64/usr/i686-w64-mingw32/sys-root/mingw/bin/orcus-ods.exe
[  118s] /usr/bin/i686-w64-mingw32-gen_sym_files: line 30: 17860 Segmentation
fault      i686-w64-mingw32-dump_syms $1 $PATH_MAP > $SYMFILE

and later

[  129s] mingw32-liborcus-debug.noarch: W: zero-length
/usr/i686-w64-mingw32/sys-root/mingw/symbols/liborcus-0.11-0.dll/liborcus-0.11-0.dll.sym
[  129s] mingw32-liborcus-debug.noarch: W: zero-length
/usr/i686-w64-mingw32/sys-root/mingw/symbols/liborcus-mso-0.11-0.dll/liborcus-mso-0.11-0.dll.sym
[  129s] mingw32-liborcus-debug.noarch: W: zero-length
/usr/i686-w64-mingw32/sys-root/mingw/symbols/liborcus-parser-0.11-0.dll/liborcus-parser-0.11-0.dll.sym
[  129s] mingw32-liborcus-debug.noarch: W: zero-length
/usr/i686-w64-mingw32/sys-root/mingw/symbols/liborcus-spreadsheet-model-0.11-0.dll/liborcus-spreadsheet-model-0.11-0.dll.sym
[  129s] mingw32-liborcus-debug.noarch: W: zero-length
/usr/i686-w64-mingw32/sys-root/mingw/symbols/orcus-css-dump.exe/orcus-css-dump.exe.sym
[  129s] mingw32-liborcus-debug.noarch: W: zero-length
/usr/i686-w64-mingw32/sys-root/mingw/symbols/orcus-csv.exe/orcus-csv.exe.sym
[  129s] mingw32-liborcus-debug.noarch: W: zero-length
/usr/i686-w64-mingw32/sys-root/mingw/symbols/orcus-detect.exe/orcus-detect.exe.sym
[  129s] mingw32-liborcus-debug.noarch: W: zero-length
/usr/i686-w64-mingw32/sys-root/mingw/symbols/orcus-json.exe/orcus-json.exe.sym
[  129s] mingw32-liborcus-debug.noarch: W: zero-length
/usr/i686-w64-mingw32/sys-root/mingw/symbols/orcus-mso-encryption.exe/orcus-mso-encryption.exe.sym
[  129s] mingw32-liborcus-debug.noarch: W: zero-length
/usr/i686-w64-mingw32/sys-root/mingw/symbols/orcus-ods.exe/orcus-ods.exe.sym
[  129s] mingw32-liborcus-debug.noarch: W: zero-length
/usr/i686-w64-mingw32/sys-root/mingw/symbols/orcus-xls-xml.exe/orcus-xls-xml.exe.sym
[  129s] mingw32-liborcus-debug.noarch: W: zero-length
/usr/i686-w64-mingw32/sys-root/mingw/symbols/orcus-xlsx.exe/orcus-xlsx.exe.sym
[  129s] mingw32-liborcus-debug.noarch: W: zero-length
/usr/i686-w64-mingw32/sys-root/mingw/symbols/orcus-xml-dump.exe/orcus-xml-dump.exe.sym
[  129s] mingw32-liborcus-debug.noarch: W: zero-length
/usr/i686-w64-mingw32/sys-root/mingw/symbols/orcus-xml.exe/orcus-xml.exe.sym
[  129s] mingw32-liborcus-debug.noarch: W: zero-length
/usr/i686-w64-mingw32/sys-root/mingw/symbols/orcus-yaml.exe/orcus-yaml.exe.sym
[  129s] mingw32-liborcus-debug.noarch: W: zero-length
/usr/i686-w64-mingw32/sys-root/mingw/symbols/orcus-zip-dump.exe/orcus-zip-dump.exe.sym
[  129s] 8 packages and 0 specfiles checked; 0 errors, 29 warnings.


see
https://build.opensuse.org/package/live_build_log/windows:mingw:win32/mingw32-liborcus/openSUSE_Leap_15.3/x86_64
for the related build log


The crashing tool i686-w64-mingw32-dump_syms is located in 

rpm -q -f `which i686-w64-mingw32-dump_syms`
mingw32-cross-breakpad-tools-20140827-lp153.13.1.x86_64