DAG: Correct pointer type used for stack slot

Correct the address space for the inserted argument
stack slot.

AMDGPU seems to not do anything with this information,
so I don't think this was breaking anything.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@338428 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed