Print symbol sizes in this test in preparation for fixing COFF common sizes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219320 91177308-0d34-0410-b5e6-96231b3b80d8
Correctly compute the size of common symbols in COFF.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219324 91177308-0d34-0410-b5e6-96231b3b80d8