hg: jdk-updates/jdk11u-dev: 8261022: Fix incorrect result of Math.abs() with char type

[christoph.langer at sap.com]

Changeset: e17576a6e3e0
Author:    pli
Date:      2021-02-23 09:49 +0100
URL:       https://hg.openjdk.java.net/jdk-updates/jdk11u-dev/rev/e17576a6e3e0

8261022: Fix incorrect result of Math.abs() with char type
Reviewed-by: thartmann, neliasso

! src/hotspot/share/opto/superword.cpp
+ test/hotspot/jtreg/compiler/vectorization/TestAbsCharVector.java