[jdk21u] Integrated: 8315088: C2: assert(wq.size() - before == EMPTY_LOOP_SIZE) failed: expect the EMPTY_LOOP_SIZE nodes of this body if empty

Aleksey Shipilev shade at openjdk.org
Tue Oct 24 15:39:45 UTC 2023


On Fri, 20 Oct 2023 08:34:18 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Clean backport to fix JDK 21 regression. The change was in mainline for 1.5 months, and there is no recorded bugtail.
> 
> Additional testing:
>  - [x] macos-aarch64-server-fastdebug, new regression test fails without the patch, passes with it
>  - [x] linux-aarch64-server-fastdebug, `tier1 tier2 tier3`

This pull request has now been integrated.

Changeset: 294c19d9
Author:    Aleksey Shipilev <shade at openjdk.org>
URL:       https://git.openjdk.org/jdk21u/commit/294c19d95485939ec76802d5fc56647122306021
Stats:     55 lines in 2 files changed: 54 ins; 0 del; 1 mod

8315088: C2: assert(wq.size() - before == EMPTY_LOOP_SIZE) failed: expect the EMPTY_LOOP_SIZE nodes of this body if empty

Backport-of: fe4f90021ffd44cb0af34f39d4ca0a7e44605c92

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PR: https://git.openjdk.org/jdk21u/pull/275


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