Simplify code by using the new getAggregateElement method that got added
recently.  This also conveniently gets clang ready for a change about to
land in mainline.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149225 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed