gold: Add ability to toggle function/data sections

Some programs (e.g. Linux) aren't able to handle function/data sections when
LTO is used. Thus they need a way to disable it. That can be done with these
plugin options:

    -plugin-opt=-function-sections=0
    -plugin-opt=-data-sections=0


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@336838 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed