[jdk8u-dev] RFR: 8202952: C2: Unexpected dead nodes after matching [v3]

[Dongbo He]

On Tue, 15 Aug 2023 01:31:24 GMT, Dongbo He <dongbohe at openjdk.org> wrote:

>> I would like to backport this patch to fix crash during C2 compilation. 
>> 
>> This patch doesn't apply cleanly due to context differences, and
>> I selected fuzzer tests from Fei Yang because the tests in the original commit cannot be reproduced on JDK8u.
>> 
>> Performed hotspot jtreg test on linux x86-64 platforms with -Xcomp options, new test fails without product change and passes with it.
>
> Dongbo He has updated the pull request incrementally with one additional commit since the last revision:
> 
>   use X86_ONLY(LP64_ONLY(x)) instead of LP64_ONLY

Flagged for approval with jdk8u-fix-request.

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PR Comment: https://git.openjdk.org/jdk8u-dev/pull/291#issuecomment-1689767542