Revert "IPO: Avoid brace initialization of a map, some versions of libc++ don't like it"

This reverts commit fc2dad0c68f8d32273d3c2d790ed496961f829af.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242953 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed