git: openjdk/jdk: 8328480: C2: SubTypeCheckNode in checkcast should use the klass constant of a unique concrete sub class

[Christian Hagedorn]

Changeset: b486709b
Author:    Christian Hagedorn <chagedorn at openjdk.org>
Date:      2024-04-15 06:25:24 +0000
URL:       https://git.openjdk.org/jdk/commit/b486709b0627cfb4cf428a6508ef7c5b14e6da57

8328480: C2: SubTypeCheckNode in checkcast should use the klass constant of a unique concrete sub class

Reviewed-by: roland, kvn

! src/hotspot/share/opto/graphKit.cpp
+ test/hotspot/jtreg/compiler/types/TestSubTypeCheckUniqueSubclass.java