[cxx-abi-dev] thread_local CONstructors

[Jason Merrill]

On 09/27/2012 09:22 AM, Jakub Jelinek wrote:
> BTW, there is another problem with the initialization of whole TU TLS.
> If some of the TLS vars are exported from a shared library, they might be
> overriden by some other definition in another shared library.  At that point
> we could initialize one TLS var twice.

This doesn't seem unique to TLS variables; normal variables with static 
storage duration have the same issue.  We assume that this won't happen 
unless the variable is comdat, in which case it has its own guard.

Jason