fix compiler-rt tests accidentally running std tests

also reduce the aggressiveness of std.atomic.stack
and std.atomic.queue fuzz testing. appveyor has 1 core
and 10,000 iterations is too much for 6 threads to
thrash over
02c1b9df3bAndrew Kelley committed on 5/3/2018, 1:34:34 AMparentc186cd1
15 files changedLine totals unavailable