hg: jdk9/client/jdk: 8172967: [macosx] Exception while working with layout for text containing unmappable character

[philip.race at oracle.com]

Changeset: 462934a5d8b1
Author:    prr
Date:      2017-02-10 10:20 -0800
URL:       http://hg.openjdk.java.net/jdk9/client/jdk/rev/462934a5d8b1

8172967: [macosx] Exception while working with layout for text containing unmappable character
Reviewed-by: serb, psadhukhan

! src/java.desktop/share/classes/sun/font/CompositeStrike.java
! src/java.desktop/share/classes/sun/font/ExtendedTextSourceLabel.java
! src/java.desktop/share/native/libfontmanager/hb-jdk-font.cc
+ test/java/awt/font/TextLayout/MissingCodePointLayoutTest.java