Hmm ... It's impossible ;-) This RPM doesn't exist on any FTP server

Provides :
ghc9.12-os-string
ghc9.12-os-string(x86-32)
libHSos-string-2.0.7-48aa-ghc9.12.1.so
libHSos-string-2.0.7-48aa_p-ghc9.12.1.so

Requires :

libHSarray-0.5.8.0-0968-ghc9.12.1.so
libHSarray-0.5.8.0-0968_p-ghc9.12.1.so
libHSbase-4.21.0.0-a786-ghc9.12.1.so
libHSbase-4.21.0.0-a786_p-ghc9.12.1.so
libHSbytestring-0.12.2.0-88bf-ghc9.12.1.so
libHSbytestring-0.12.2.0-88bf_p-ghc9.12.1.so
libHSdeepseq-1.5.1.0-a879-ghc9.12.1.so
libHSdeepseq-1.5.1.0-a879_p-ghc9.12.1.so
libHSexceptions-0.10.9-af2a-ghc9.12.1.so
libHSexceptions-0.10.9-af2a_p-ghc9.12.1.so
libHSghc-bignum-1.3-9464-ghc9.12.1.so
libHSghc-bignum-1.3-9464_p-ghc9.12.1.so
libHSghc-boot-th-9.12.1-c507-ghc9.12.1.so
libHSghc-boot-th-9.12.1-c507_p-ghc9.12.1.so
libHSghc-internal-9.1201.0-fb68-ghc9.12.1.so
libHSghc-internal-9.1201.0-fb68_p-ghc9.12.1.so
libHSghc-prim-0.13.0-5566-ghc9.12.1.so
libHSghc-prim-0.13.0-5566_p-ghc9.12.1.so
libHSmtl-2.3.1-de37-ghc9.12.1.so
libHSmtl-2.3.1-de37_p-ghc9.12.1.so
libHSpretty-1.1.3.6-ff02-ghc9.12.1.so
libHSpretty-1.1.3.6-ff02_p-ghc9.12.1.so
libHSstm-2.5.3.1-c042-ghc9.12.1.so
libHSstm-2.5.3.1-c042_p-ghc9.12.1.so
libHStemplate-haskell-2.23.0.0-cd07-ghc9.12.1.so
libHStemplate-haskell-2.23.0.0-cd07_p-ghc9.12.1.so
libHStransformers-0.6.1.2-537c-ghc9.12.1.so
libHStransformers-0.6.1.2-537c_p-ghc9.12.1.so
libc.so.6
libc.so.6(GLIBC_2.0)
libc.so.6(GLIBC_2.1.3)
libgmp.so.10
libm.so.6
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
rpmlib(PayloadIsZstd) <= 5.4.18-1
rtld(GNU_HASH)

Content of RPM :
/usr/lib/.build-id
/usr/lib/.build-id/40/3d69ea3379a6002e60c0291dd5927aa8cdf63f
/usr/lib/.build-id/65/ad499962aeba29b6f7c7d2d5329d991f7eb052
/usr/lib/ghc-9.12.1/lib/i386-linux-ghc-9.12.1-6346/libHSos-string-2.0.7-48aa-ghc9.12.1.so
/usr/lib/ghc-9.12.1/lib/i386-linux-ghc-9.12.1-6346/libHSos-string-2.0.7-48aa_p-ghc9.12.1.so
/usr/share/licenses/ghc9.12-os-string
/usr/share/licenses/ghc9.12-os-string/LICENSE