[Bug target/62109] __gthr_i486_lock_cmp_xchg missing clobber

[mikpelinux at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62109

--- Comment #3 from Mikael Pettersson <mikpelinux at gmail dot com> ---
Do you have a test case which fails without your patch?