RFR: 8326369: Bimorphic inlining not applied at a call site that was initially monomorphic

[Tobias Hartmann]

On Wed, 6 Nov 2024 09:06:47 GMT, Galder Zamarreño <galder at openjdk.org> wrote:

> This issue was fixed by JDK-8339299 indirectly (see [PR](https://github.com/openjdk/jdk/pull/20786)), but the PR for 8339299 didn't include any new tests, so I'm sending this PR with the test that Filipp added in 8326369 so that such issue doesn't come back inadvertently. I've added him as co-author and applied some small formatting changes.

Changes requested by thartmann (Reviewer).

test/hotspot/jtreg/compiler/inlining/InlineBimorphicVirtualCallAfterMorphismChanged.java line 1:

> 1: /**

The copyright header is missing.

test/hotspot/jtreg/compiler/inlining/InlineBimorphicVirtualCallAfterMorphismChanged.java line 3:

> 1: /**
> 2:  * @test
> 3:  * bug

This should be `@bug 8326369` right?

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PR Review: https://git.openjdk.org/jdk/pull/21920#pullrequestreview-2418023116
PR Review Comment: https://git.openjdk.org/jdk/pull/21920#discussion_r1830863161
PR Review Comment: https://git.openjdk.org/jdk/pull/21920#discussion_r1830862930