RFR: 8327247: C2 uses up to 2GB of RAM to compile complex string concat in extreme cases [v2]

[Chen Liang]

On Thu, 25 Apr 2024 19:53:46 GMT, Claes Redestad <redestad at openjdk.org> wrote:

>> Splitting out the ASM-based version from #18690 to push that first under the JBS (to help backporting). Keeping #18690 open to rebase and follow-up on this as a subtask. See discussion in that #18690 for more details, discussion and motivation for this.
>
> Claes Redestad has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Remove accidental use of java.lang.classfile

Also a side note for backport: ClassFileDumper exists only since JDK 21, so for earlier backports you need to use an alternative dumping method or remove dumping ability.

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

PR Comment: https://git.openjdk.org/jdk/pull/18953#issuecomment-2078532971