This caused linker errors when linking both libLLVMX86Desc and libLLVMX86CodeGen
into a single binary (for example when building a monolithic libLLVM shared library).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133791 91177308-0d34-0410-b5e6-96231b3b80d8