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

Provides :
libcc1plugin.so.0
libcp1plugin.so.0
liblto_plugin.so.0
gcc73
gcc73(x86-32)

Requires :

libstdc++.so.6(GLIBCXX_3.4)
libpthread.so.0
libisl.so.15
libdl.so.2(GLIBC_2.1)
libc.so.6(GLIBC_2.2.3)
libdl.so.2
cpp73
libcilkrts5 = 7.3.0-5.19.el6
libm.so.6
libubsan0 = 7.3.0-5.19.el6
libatomic1 = 7.3.0-5.19.el6
libc.so.6(GLIBC_2.3.3)
libc.so.6(GLIBC_2.2.4)
libgcc_s.so.1
libmpx2 = 7.3.0-5.19.el6
libz.so.1
libstdc++.so.6(CXXABI_1.3.8)
libc.so.6(GLIBC_2.1.3)
rpmlib(PayloadIsXz) <= 5.2-1
libquadmath0 = 7.3.0-5.19.el6
libgomp1 = 7.3.0-5.19.el6
libmpfr.so.4
ld-linux.so.2
libc.so.6(GLIBC_2.2)
libc.so.6(GLIBC_2.0)
libdl.so.2(GLIBC_2.0)
/bin/sh
libpthread.so.0(GLIBC_2.0)
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
libc.so.6(GLIBC_2.11)
libm.so.6(GLIBC_2.0)
libc.so.6(GLIBC_2.3)
libasan4 = 7.3.0-5.19.el6
libstdc++.so.6
libmpc.so.3
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(FileDigests) <= 4.6.0-1
ld-linux.so.2(GLIBC_2.3)
rpmlib(PartialHardlinkSets) <= 4.0.4-1
libc.so.6(GLIBC_2.1)
libstdc++.so.6(CXXABI_1.3.9)
libgcc_s.so.1(GCC_3.0)
libstdc++.so.6(CXXABI_1.3)
binutils
/sbin/ldconfig
libc.so.6
glibc-devel
libgmp.so.10
libc.so.6(GLIBC_2.3.4)

Content of RPM :
/lib/libgcc_s.so
/usr/bin/gcc-7.3
/usr/bin/gcc-ar-7.3
/usr/bin/gcc-nm-7.3
/usr/bin/gcc-ranlib-7.3
/usr/bin/gcov-7.3
/usr/bin/gcov-dump-7.3
/usr/bin/gcov-tool-7.3
/usr/lib/bfd-plugins
/usr/lib/bfd-plugins/liblto_plugin.so
/usr/lib/gcc
/usr/lib/gcc/i686-redhat-linux-gnu
/usr/lib/gcc/i686-redhat-linux-gnu/7.3.0
/usr/lib/gcc/i686-redhat-linux-gnu/7.3.0/cc1obj
/usr/lib/gcc/i686-redhat-linux-gnu/7.3.0/collect2
/usr/lib/gcc/i686-redhat-linux-gnu/7.3.0/crtbegin.o
/usr/lib/gcc/i686-redhat-linux-gnu/7.3.0/crtbeginS.o
/usr/lib/gcc/i686-redhat-linux-gnu/7.3.0/crtbeginT.o
/usr/lib/gcc/i686-redhat-linux-gnu/7.3.0/crtend.o
/usr/lib/gcc/i686-redhat-linux-gnu/7.3.0/crtendS.o
/usr/lib/gcc/i686-redhat-linux-gnu/7.3.0/crtfastmath.o
/usr/lib/gcc/i686-redhat-linux-gnu/7.3.0/crtprec32.o
/usr/lib/gcc/i686-redhat-linux-gnu/7.3.0/crtprec64.o
/usr/lib/gcc/i686-redhat-linux-gnu/7.3.0/crtprec80.o
/usr/lib/gcc/i686-redhat-linux-gnu/7.3.0/include
/usr/lib/gcc/i686-redhat-linux-gnu/7.3.0/include-fixed
/usr/lib/gcc/i686-redhat-linux-gnu/7.3.0/include-fixed/README
/usr/lib/gcc/i686-redhat-linux-gnu/7.3.0/include-fixed/limits.h
/usr/lib/gcc/i686-redhat-linux-gnu/7.3.0/include-fixed/linux
/usr/lib/gcc/i686-redhat-linux-gnu/7.3.0/include-fixed/linux/a.out.h
There is 603 files more in these RPM.