git: openjdk/jdk22: 8321974: Crash in ciKlass::is_subtype_of because TypeAryPtr::_klass is not initialized

[Tobias Hartmann]

Changeset: 41b7296f
Author:    Tobias Hartmann <thartmann at openjdk.org>
Date:      2023-12-14 09:42:38 +0000
URL:       https://git.openjdk.org/jdk22/commit/41b7296f4988d2a3b3d212b0634ded9e59496590

8321974: Crash in ciKlass::is_subtype_of because TypeAryPtr::_klass is not initialized

Reviewed-by: epeter, tholenstein
Backport-of: c8ad7b7f84ead3f850f034e1db6335bbbac41589

! src/hotspot/share/opto/type.cpp
! src/hotspot/share/opto/type.hpp
+ test/hotspot/jtreg/compiler/c2/TestUninitializedKlassField.java