OS: mac10.11
Build: JDK9b139
Test case: GS-Manual/TextLayout2DRenderTest
Language:de

Expect behavior:
5th line (font: Dialog, font size: 40; font style: bold) - Words are left aligned. Characters 2-8 are each boxed in blue (skipping white spaces). 9,10 and 13,14 are highlighted by green and orange. Character outline is smooth.

Actually behavior:
The Characters 2 is not boxed in blue, refer to mac10.11-de-TextLazout2DRenderTest.png

effect cases:
RULE "GS-Manual/TextLayout2DRenderTest" ExitCode 255

By the way,
win10-x64/zh_CN/9b139:there is same issue refer to win10-x64-zh-CN-TextLayout2DRenderTest.png
win8.1-x64/ja/9b139:there is same issue refer to win8.1-x64-ja-TextLayout2DRenderTest.png