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

8074676: java.lang.invoke.PermuteArgsTest.java fails with "assert(is_Initialize()) failed: invalid node class"
Summary: after guards in Arrays.copyOf() intrinsic, control may become top
Reviewed-by: kvn, vlivanov