[Bug middle-end/26461] liveness of thread local references across function calls

[stephan at tobies dot info]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=26461

--- Comment #18 from Stephan Tobies <stephan at tobies dot info> ---
+1 - I have a use case where a QuickThread is migrated from one pthread to
another. TLS would need to be re-fetched after this migration, but is not due
to CSE optimizations. Having a way to disable this optimization, either locally
or on a per-file basis would be very useful!