git: openjdk/jdk18: 8279833: Loop optimization issue in String.encodeUTF8_UTF16

[Claes Redestad]

Changeset: ff856593
Author:    Claes Redestad <redestad at openjdk.org>
Date:      2022-01-13 15:25:16 +0000
URL:       https://git.openjdk.java.net/jdk18/commit/ff8565931115d581afff679ea85b1a2d80c03b99

8279833: Loop optimization issue in String.encodeUTF8_UTF16

Reviewed-by: rriggs
Backport-of: c3d0a94040d9bd0f4b99da97b89fbfce252a41c0

! src/java.base/share/classes/java/lang/String.java
! test/micro/org/openjdk/bench/java/lang/StringEncode.java