Reverting r285406, which was a temporary workaround to get one of the documentation bots upgraded to something newer than GCC 4.7. This restores the check for GCC 4.8.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@286822 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed