8132919: Put compiler tests in packages
Reviewed-by: vlivanov, dpochepk
Contributed-by: igor.ignatyev@oracle.com

8027754: Enable loop optimizations for loops with MathExact inside
Reviewed-by: kvn, iveresov

8028997: mathexact intrinsics are unstable
Reviewed-by: iveresov, kvn

8027444: mathExact: assert(i < _max) failed: oob: i=1, _max=1
Reviewed-by: duke