Fix some GCC 4.7 issues with the new Orc remote JIT support

I'm still seeing GCC ICE locally, but figured I'd throw this at the wall
& see if it sticks for the bots at least. Will continue investigating
the ICE in any case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@257367 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed