Add a few more cases to this test.
Add a few more cases to this test.

It now documents how we currently handle relocations for
alloc/non-alloc.

git-svn-id: f6089bf0e6284f307027cef4f64114ee9ebb0424@266141 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/lld,llvm-mirror/lld