[jdk21u] RFR: 8313323: javac -g on a java file which uses unnamed variable leads to ClassFormatError when launching that class

Mon Sep 4 09:22:09 UTC 2023

Hi all,

This pull request contains a backport of commit [adfc1d6c](https://github.com/openjdk/jdk/commit/adfc1d6cd29181c729030d4cbafc8ecf349abab9) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.

The commit being backported was authored by Jan Lahoda on 4 Sep 2023 and was reviewed by Vicente Romero.

Thanks!

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Commit messages:
 - Backport adfc1d6cd29181c729030d4cbafc8ecf349abab9

Changes: https://git.openjdk.org/jdk21u/pull/128/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk21u&pr=128&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8313323
  Stats: 51 lines in 2 files changed: 51 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk21u/pull/128.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u.git pull/128/head:pull/128

PR: https://git.openjdk.org/jdk21u/pull/128