We previously had a limitation that TLS variables could not
be exported (and therefore could also not be imported). This
change removed that limitation.
Differential Revision: https://reviews.llvm.org/D108877
Two of these are trivial. The third (shared.s) did have some
expectations changes but only due to two data symbols being re-ordered.
Differential Revision: https://reviews.llvm.org/D101711