[Bug target/109166] Built-in __atomic_test_and_set does not seem to be atomic on ARMv4T

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109166

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Read that thread I pointed to.