[jdk8u-dev] Integrated: 8255466: C2 crashes at ciObject::get_oop() const+0x0

[SendaoYan]

On Sun, 7 Jul 2024 08:55:07 GMT, SendaoYan <syan at openjdk.org> wrote:

> Hi all,
> This is backport of JDK-8255466, to fixes the corner case in C2. This PR also fix the compiler warning `hotspot/src/share/vm/opto/type.cpp:2556:71: error: ‘this’ pointer is null` with gcc13.
> Patch does not apply cleanly due to in jdk8u, the jtreg tag @run main need add `bootclasspath`.
> New test fails without the patch, passes with it.
> 
> Additional testing:
> 
> - [x] linux x64 tier1/2/3 jtreg test
> - [x] linux aarch64 tier1/2/3 jtreg test

This pull request has now been integrated.

Changeset: fc88d515
Author:    SendaoYan <syan at openjdk.org>
Committer: Andrew John Hughes <andrew at openjdk.org>
URL:       https://git.openjdk.org/jdk8u-dev/commit/fc88d515109947e0643782f38cab616af84df4b5
Stats:     66 lines in 2 files changed: 63 ins; 0 del; 3 mod

8255466: C2 crashes at ciObject::get_oop() const+0x0

Reviewed-by: phh, andrew
Backport-of: bb3f1238cb12c45ed85936d3b06eced0730d588f

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PR: https://git.openjdk.org/jdk8u-dev/pull/536