8301025: ClassCastException in switch with generic record

[biboudis]

Add missing class bound propagation during pattern matching translation.

---

Progress

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Issue

• JDK-8301025: ClassCastException in switch with generic record

Reviewers

• Jan Lahoda (@lahodaj - Reviewer)

Reviewing

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[openjdk]

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[mlbridge]

Webrevs

• 01: Full - Incremental (4a2810b2)
• 00: Full (c5600c9c)

[lahodaj]

Looks good to me.

[openjdk]

@biboudis 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:

8301025: ClassCastException in switch with generic record

Reviewed-by: jlahoda

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At the time when this comment was updated there had been 166 new commits pushed to the master branch:

• cf68d9f: 8299155: C2: SubTypeCheckNode::verify() should not produce dependencies / oop pool entries
• 11804b2: 8301050: Detect Xen Virtualization on Linux aarch64
• b504c94: 8300235: Use VarHandle access in Image(Input | Output)StreamImpl classes
• 406021a: 8300929: Avoid unnecessary array fill after creation in java.awt.image
• 7f313b0: 8180266: Convert sun/security/provider/KeyStore/DKSTest.sh to Java Jtreg Test
• 3ad6aef: 8301313: RISC-V: C2: assert(false) failed: bad AD file due to missing match rule
• 4c9de87: 8301655: Problemlist jdk/jdk/nio/zipfs/TestLocOffsetFromZip64EF.java on Linux
• 04278e6: 8301564: Non-C-heap allocated ResourceHashtable keys and values must have trivial destructor
• b00b70c: 8286907: keytool should warn about weak PBE algorithms
• ee0f5b5: 8301392: Port fdlibm log1p to Java
• ... and 156 more: https://git.openjdk.org/jdk/compare/f279c751a5b2132c11aa3a31084ee37f1a349150...master

As there are no conflicts, your changes will automatically be rebased on top of these commits when integrating. If you prefer to avoid this automatic rebasing, please check the documentation for the /integrate command for further details.

As you do not have Committer status in this project an existing Committer must agree to sponsor your change. Possible candidates are the reviewers of this PR (@lahodaj) but any other Committer may sponsor as well.

➡️ To flag this PR as ready for integration with the above commit message, type /integrate in a new comment. (Afterwards, your sponsor types /sponsor in a new comment to perform the integration).

[biboudis]

/integrate

[openjdk]

@biboudis
Your change (at version 4a2810b) is now ready to be sponsored by a Committer.

[lahodaj]

/sponsor

[openjdk]

Going to push as commit 7ac2079.
Since your change was applied there have been 188 commits pushed to the master branch:

• 371a0c4: 8301465: Remove unnecessary nmethod arming in Full GC of Serial/Parallel
• 716f1df: 8301478: Replace NULL with nullptr in os/bsd
• ab528ce: 4934362: see also refers to self
• 8f195ff: 8298952: All nodes should have type(n) == Value(n) after IGVN
• e88fd8c: 8301768: G1: Remove unimplemented HeapRegionRemSet::split_card
• 96c50a3: 8301752: [IR Framework] Add more IR framework examples
• 3646c4e: 8301171: Rename sanitizers/address.h to sanitizers/address.hpp
• 3f3356b: 8301760: Fix possible leak in SpNegoContext dispose
• b4cb6c8: 8301743: RISC-V: Add InlineSkippedInstructionsCounter to post-call nops
• 4dd6e8f: 8301740: RISC-V: Address::uses() should check address mode
• ... and 178 more: https://git.openjdk.org/jdk/compare/f279c751a5b2132c11aa3a31084ee37f1a349150...master

Your commit was automatically rebased without conflicts.

[openjdk]

@lahodaj @biboudis Pushed as commit 7ac2079.

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