Debug Info Testing Case: check for the name of a structure.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192478 91177308-0d34-0410-b5e6-96231b3b80d8
Add warning about CHECK-DAG with variable definition

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192479 91177308-0d34-0410-b5e6-96231b3b80d8