hg: jdk9/sandbox/jdk: 8148869: StringConcatFactory MH_INLINE_SIZED_EXACT strategy does not work with -XX:-CompactStrings

[chris.hegarty at oracle.com]

Changeset: f90110e9109d
Author:    shade
Date:      2016-02-03 00:49 +0300
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/f90110e9109d

8148869: StringConcatFactory MH_INLINE_SIZED_EXACT strategy does not work with -XX:-CompactStrings
Reviewed-by: vlivanov, psandoz

! src/java.base/share/classes/java/lang/StringConcatHelper.java
! src/java.base/share/classes/java/lang/invoke/StringConcatFactory.java
+ test/java/lang/String/concat/CompactStringsInitialCoder.java