git: openjdk/jdk21: 8310299: C2: 8275201 broke constant folding of array store check in some cases

Thu Jun 29 13:03:59 UTC 2023

Changeset: 91598a94
Author:    Tobias Hartmann <thartmann at openjdk.org>
Date:      2023-06-29 13:01:02 +0000
URL:       https://git.openjdk.org/jdk21/commit/91598a94f20128e65e31a57273d7952bbf9cae7b

8310299: C2: 8275201 broke constant folding of array store check in some cases

Reviewed-by: chagedorn
Backport-of: be64d3ac3cf9da2658038d64233f080da8011dc8

! src/hotspot/share/opto/memnode.cpp
+ test/hotspot/jtreg/compiler/c2/irTests/TestArrayElementTypeLoad.java
! test/hotspot/jtreg/compiler/lib/ir_framework/IRNode.java