hg: jdk10/jdk10/jdk: 8186500: StringConcatFactory.makeConcatWithConstants throws AssertionError when recipe contains non-String constants

[claes.redestad at oracle.com]

Changeset: 4e08a69241ea
Author:    redestad
Date:      2017-08-24 15:03 +0200
URL:       http://hg.openjdk.java.net/jdk10/jdk10/jdk/rev/4e08a69241ea

8186500: StringConcatFactory.makeConcatWithConstants throws AssertionError when recipe contains non-String constants
Reviewed-by: shade, psandoz

! src/java.base/share/classes/java/lang/invoke/StringConcatFactory.java
! test/java/lang/String/concat/StringConcatFactoryInvariants.java