Check that GlobalAliases don't have section or alignment.

An alias is always in the section of its aliasee and has the same alignment
(since it has the same address).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201354 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed