[Bug ipa/80258] On x86_64 with -fPIC, accesses to TLS can see the wrong thread's TLS

[tmyklebu at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80258

--- Comment #2 from Tor Myklebust <tmyklebu at gmail dot com> ---
For completeness, this issue was raised as Stackoverflow question 43081742 by
user merlin2011.