File list of package libgcc1 in buster of architecture arm64
/lib/aarch64-linux-gnu/libgcc_s.so.1 /usr/share/doc/libgcc1 /usr/share/lintian/overrides/libgcc1
/lib/aarch64-linux-gnu/libgcc_s.so.1 /usr/share/doc/libgcc1 /usr/share/lintian/overrides/libgcc1