[Buildroot] Segmentation fault for ICU-68 on LTS 2021.02

[primeroz]

Hi,

I just tried building one of my projects on LTS 2021.02 and ICU-68 is
getting a very strange segmentation fault

note, this is running in a ubuntu:18.04 docker container ( hence as root
user )

```
make[2]: Entering directory
'/root/buildroot/output/build/icu-68-1/source/data'
/bin/bash ../mkinstalldirs
 /root/buildroot/output/host/x86_64-buildroot-linux-gnu/sysroot/usr/lib
LD_LIBRARY_PATH=/root/buildroot/output/build/host-icu-68-1/source/stubdata:/root/buildroot/output/build/host-icu-68-1/source/tools/ctestfw:/root/buildroot/output/build/host-icu-68-1/source/lib:$LD_LIBRARY_PATH
 /root/buildroot/output/build/host-icu-68-1/source/bin/pkgdata -O
../data/icupkg.inc -q -c -s
/root/buildroot/output/build/icu-68-1/source/data/out/build/icudt68l -d
../lib -m dll -r 68.1 -e icudt68  -T ./out/tmp -s ./out/build/icudt68l -p
icudt68l -L icudata ./out/tmp/icudata.lst -I
/root/buildroot/output/host/x86_64-buildroot-linux-gnu/sysroot/usr/lib
pkgdata: cd ../lib/ && /usr/bin/install -c libicudata.so.68.1
/root/buildroot/output/host/x86_64-buildroot-linux-gnu/sysroot/usr/lib/libicudata.so.68.1
pkgdata: cd
/root/buildroot/output/host/x86_64-buildroot-linux-gnu/sysroot/usr/lib &&
rm -f libicudata.so.68 && ln -s libicudata.so.68.1 libicudata.so.68
Segmentation fault (core dumped)
-- return status = 35584
Error creating symbolic links. Failed command: cd
/root/buildroot/output/host/x86_64-buildroot-linux-gnu/sysroot/usr/lib &&
rm -f libicudata.so.68 && ln -s libicudata.so.68.1 libicudata.so.68
Makefile:184: recipe for target 'install-local' failed
make[2]: *** [install-local] Error 1
make[2]: Leaving directory
'/root/buildroot/output/build/icu-68-1/source/data'
Makefile:153: recipe for target 'install-recursive' failed
make[1]: *** [install-recursive] Error 2
make[1]: Leaving directory '/root/buildroot/output/build/icu-68-1/source'
package/pkg-generic.mk:286: recipe for target
'/root/buildroot/output/build/icu-68-1/.stamp_staging_installed' failed
make: *** [/root/buildroot/output/build/icu-68-1/.stamp_staging_installed]
Error 2
```

Anyone else getting the same ?
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