[jdk21u-dev] RFR: 8324121: SIGFPE in PhaseIdealLoop::extract_long_range_checks

[Aleksey Shipilev]

On Thu, 11 Apr 2024 06:45:44 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Clean backport to improve C2 reliability. 
> 
> Additional testing:
>  - [x] New test DOES NOT fail without the patch, passes with it
>  - [x] Linux x86_64 server fastdebug, `all` tests
>  - [x] Linux x86_64 server fastdebug, 100K Fuzzer tests
>  - [x] Linux x86_64 server fastdebug, Maven CTW tests

> There is a folow-up bug JDK-8329163. 

Thanks for noticing, I think it was a separate issue that we could do separately, but given it is in the same code, we can couple them together. I am going to re-run some tests.

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PR Comment: https://git.openjdk.org/jdk21u-dev/pull/488#issuecomment-2061507418