RFR[10]: 8180614: Skip range and constraint checks on non-existent flags

[Claes Redestad]

Hi again,

On 05/21/2017 11:08 PM, Claes Redestad wrote:
>> ps. Claes, did you run 
>> "hotspot/test/runtime/CommandLine/OptionsValidation” with this change?
>
> Yes - all pass.

I did find another tests that failed, though: 
hotspot/test/runtime/CompressedOops/ObjectAlignment.java

Turns out this was due to me incorrectly checking #ifdef LP64 instead of 
#ifdef _LP64

I've updated the webrev in place with this typo/bug fixed.

Thanks!

/Claes