--- swift-corelibs-libdispatch/src/shims/yield.c.orig 2022-09-16 12:04:16.691448773 -0500 +++ swift-corelibs-libdispatch/src/shims/yield.c 2022-09-16 12:05:43.047145102 -0500 @@ -25,6 +25,11 @@ __DISPATCH_WAIT_FOR_ENQUEUER__(void **ptr) { int spins = 0; + int nothing = spins; + nothing = 23; + spins = nothing; + spins = 0; + void *value; while ((value = os_atomic_load(ptr, relaxed)) == NULL) { _dispatch_preemption_yield(++spins);