8290451: Incorrect result when switching to C2 OSR compilation from C1

[GoeLin]

I backport this for parity with 17.0.6-oracle.
No risk, only a test change.

---

Progress

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Issue

• JDK-8290451: Incorrect result when switching to C2 OSR compilation from C1

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk17u-dev pull/765/head:pull/765
$ git checkout pull/765

Update a local copy of the PR:
$ git checkout pull/765
$ git pull https://git.openjdk.org/jdk17u-dev pull/765/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 765

View PR using the GUI difftool:
$ git pr show -t 765

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk17u-dev/pull/765.diff

[bridgekeeper]

👋 Welcome back goetz! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

This backport pull request has now been updated with issue from the original commit.

[openjdk]

@GoeLin This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

8290451: Incorrect result when switching to C2 OSR compilation from C1

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[mlbridge]

Webrevs

• 00: Full (a8d4dc4d)

[GoeLin]

/integrate

[openjdk]

Going to push as commit 8f28d66.
Since your change was applied there have been 12 commits pushed to the master branch:

• 19ccadf: 8291775: C2: assert(r != __null && r->is_Region()) failed: this phi must have a region
• ed3b13a: 8291459: JVM crash with GenerateOopMap::error_work(char const*, __va_list_tag*)
• d4a0c18: 8169187: [macosx] Aqua: java/awt/image/multiresolution/MultiresolutionIconTest.java
• b513ba2: 8290705: StringConcat::validate_mem_flow asserts with "unexpected user: StoreI"
• 8b83fa0: 8290687: serviceability/sa/TestClassDump.java could leave files owned by root on macOS
• 00cab3f: 8289257: Some custom loader tests failed due to symbol refcount not decremented
• 0464eaf: 8288651: CDS test HelloUnload.java should not use literal string as ClassLoader name
• 34d4bae: 8290781: Segfault at PhaseIdealLoop::clone_loop_handle_data_uses
• 90cc8ac: 8293998: [PPC64] JfrGetCallTrace: assert(_pc != nullptr) failed: must have PC
• 9483069: 8282528: AArch64: Incorrect replicate2L_zero rule
• ... and 2 more: https://git.openjdk.org/jdk17u-dev/compare/beb2ca22c90388120bff77a8a46f6d7b065da7f2...master

Your commit was automatically rebased without conflicts.

[openjdk]

@GoeLin Pushed as commit 8f28d66.

💡 You may see a message that your pull request was closed with unmerged commits. This can be safely ignored.