[Bug c++/66967] thread local's destructor not called if compile with -fno-use-cxa-atexit

[ro at CeBiTec dot Uni-Bielefeld.DE]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66967

--- Comment #2 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot 
Uni-Bielefeld.DE> ---
Comparing the assembler output with and without -fno-use-cxa-atexit, I
find that the former is missing not just the call to the destructor, but
the destructor code itself.