[OpenJDK 2D-Dev] RFR: 8172967: [macosx] Exception while working with layout for text containing unmappable character

[Sergey Bylokhov]

> Looks good to me.

+1

> 
> Regards
> Prasanta
> On 2/10/2017 1:00 AM, Philip Race wrote:
>> 
>> http://cr.openjdk.java.net/~prr/8172967/
>> https://bugs.openjdk.java.net/browse/JDK-8172967
>> 
>> Full evaluation in the bug report.
>> Short summary: avoid AIOB and NPE when Mac glyph mapper returns
>> a negated unicode which is misinterpreted as having composite font slot 255
>> 
>> -phil.
>