Mostly, try to depend on the annotation comments more so these tests are more
legible, brief, and agnostic to schema changes in the future (sure, they're not
agnostic to changes to the comment annotations but since they're easier to read
they should be easier to update if that happens).
llvm-svn: 177457
This is useful because unnamed bitfields can have effects on the
offsets which are not otherwise reflected in the DWARF information.
<rdar://problem/12629719>
llvm-svn: 167503