RFR: 8358892: RISC-V: jvm crash when running dacapo sunflow after JDK-8352504 [v11]

[Hamlin Li]

> Hi,
> Can you help to review this patch?
> 
> Thanks!
> 
> Currently, this issue is only reproducible with Dacapo sunflow.
> I tried to construct a simpler jtreg test to reproduce the issue, but can not find a way to do it till now, this task is tracked by https://bugs.openjdk.org/browse/JDK-8359045.
> 
> So, currently I can only verify the code by reviewing it.
> Or maybe it's better to leave it until we find the test?

Hamlin Li has updated the pull request incrementally with two additional commits since the last revision:

 - remove log
 - refine comments

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/25696/files
  - new: https://git.openjdk.org/jdk/pull/25696/files/0f5ca7de..7638e272

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=25696&range=10
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=25696&range=09-10

  Stats: 73 lines in 3 files changed: 11 ins; 62 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/25696.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/25696/head:pull/25696

PR: https://git.openjdk.org/jdk/pull/25696