Revert "Put static local variables of inline functions in the function comdat."

This reverts commit r224369.

Thanks to Reid Kleckner for pointing out that we need a bigger gun to fix this
case.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@224475 91177308-0d34-0410-b5e6-96231b3b80d8