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

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

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

--- Comment #9 from Hans-Peter Nilsson <hp at gcc dot gnu.org> ---
(In reply to Richard Earnshaw from comment #8)
> I'm going to close this as WONTFIX.

I guess I'll have to find another PR to lean on, for fixing the underlying
cause for the nonatomic code.