Description of problem:

Trying to install gcc c++ from devtoolset-3 `yum` failed to resolve dependencies.

How reproducible:


Steps to Reproduce:
1. yum install devtoolset-3-gcc-c++
2.
3.

Actual results:

bash-4.2# yum install devtoolset-3-gcc-c++
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * base: mirror.dhakacom.com
 * extras: mirror.dhakacom.com
 * updates: centosr4.centos.org
Resolving Dependencies
--> Running transaction check
---> Package devtoolset-3-gcc-c++.x86_64 0:4.9.2-6.el6 will be installed
--> Processing Dependency: devtoolset-3-gcc = 4.9.2-6.el6 for package: devtoolset-3-gcc-c++-4.9.2-6.el6.x86_64
--> Processing Dependency: devtoolset-3-libstdc++-devel = 4.9.2-6.el6 for package: devtoolset-3-gcc-c++-4.9.2-6.el6.x86_64
--> Processing Dependency: libgmp.so.3()(64bit) for package: devtoolset-3-gcc-c++-4.9.2-6.el6.x86_64
--> Processing Dependency: libmpfr.so.1()(64bit) for package: devtoolset-3-gcc-c++-4.9.2-6.el6.x86_64
--> Running transaction check
---> Package devtoolset-3-gcc.x86_64 0:4.9.2-6.el6 will be installed
--> Processing Dependency: devtoolset-3-binutils >= 2.22.52.0.1 for package: devtoolset-3-gcc-4.9.2-6.el6.x86_64
--> Processing Dependency: devtoolset-3-runtime for package: devtoolset-3-gcc-4.9.2-6.el6.x86_64
--> Processing Dependency: libgmp.so.3()(64bit) for package: devtoolset-3-gcc-4.9.2-6.el6.x86_64
--> Processing Dependency: libmpfr.so.1()(64bit) for package: devtoolset-3-gcc-4.9.2-6.el6.x86_64
---> Package devtoolset-3-gcc-c++.x86_64 0:4.9.2-6.el6 will be installed
--> Processing Dependency: libgmp.so.3()(64bit) for package: devtoolset-3-gcc-c++-4.9.2-6.el6.x86_64
--> Processing Dependency: libmpfr.so.1()(64bit) for package: devtoolset-3-gcc-c++-4.9.2-6.el6.x86_64
---> Package devtoolset-3-libstdc++-devel.x86_64 0:4.9.2-6.el6 will be installed
--> Running transaction check
---> Package devtoolset-3-binutils.x86_64 0:2.24-18.el6 will be installed
---> Package devtoolset-3-gcc.x86_64 0:4.9.2-6.el6 will be installed
--> Processing Dependency: libgmp.so.3()(64bit) for package: devtoolset-3-gcc-4.9.2-6.el6.x86_64
--> Processing Dependency: libmpfr.so.1()(64bit) for package: devtoolset-3-gcc-4.9.2-6.el6.x86_64
---> Package devtoolset-3-gcc-c++.x86_64 0:4.9.2-6.el6 will be installed
--> Processing Dependency: libgmp.so.3()(64bit) for package: devtoolset-3-gcc-c++-4.9.2-6.el6.x86_64
--> Processing Dependency: libmpfr.so.1()(64bit) for package: devtoolset-3-gcc-c++-4.9.2-6.el6.x86_64
---> Package devtoolset-3-runtime.x86_64 0:3.1-12.el6 will be installed
--> Finished Dependency Resolution
Error: Package: devtoolset-3-gcc-c++-4.9.2-6.el6.x86_64 (rhscl-devtoolset-3-epel-6-x86_64)
           Requires: libmpfr.so.1()(64bit)
Error: Package: devtoolset-3-gcc-4.9.2-6.el6.x86_64 (rhscl-devtoolset-3-epel-6-x86_64)
           Requires: libmpfr.so.1()(64bit)
Error: Package: devtoolset-3-gcc-c++-4.9.2-6.el6.x86_64 (rhscl-devtoolset-3-epel-6-x86_64)
           Requires: libgmp.so.3()(64bit)
Error: Package: devtoolset-3-gcc-4.9.2-6.el6.x86_64 (rhscl-devtoolset-3-epel-6-x86_64)
           Requires: libgmp.so.3()(64bit)
 You could try using --skip-broken to work around the problem

Expected results:

successful installation

Additional info: