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
variables that have static storage duration, it removes debug info on the
emitted initializer function but not all debug info about this variable.
llvm-svn: 160659