[jdk11u-dev] RFR: 8273914: Indy string concat changes order of operations [v3]

[Liam Miller-Cushon]

> This is a backport of [JDK-8273914: Indy string concat changes order of operations](https://bugs.openjdk.org/browse/JDK-8273914).
> 
> The patch applied cleanly.
> 
> Testing: tier1 langtools tests

Liam Miller-Cushon has updated the pull request incrementally with one additional commit since the last revision:

  Downgrade major version for jasm test inputs

-------------

Changes:
  - all: https://git.openjdk.org/jdk11u-dev/pull/2933/files
  - new: https://git.openjdk.org/jdk11u-dev/pull/2933/files/2002239c..cd858cfa

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2933&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2933&range=01-02

  Stats: 2 lines in 2 files changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/2933.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/2933/head:pull/2933

PR: https://git.openjdk.org/jdk11u-dev/pull/2933