git: openjdk/jdk17u-dev: 8303279: C2: crash in SubTypeCheckNode::sub() at IGVN split if

[Volker Simonis]

Changeset: baf28418
Author:    Ben Taylor <btaylor at openjdk.org>
Committer: Volker Simonis <simonis at openjdk.org>
Date:      2023-07-21 17:15:24 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/baf28418277a0679332fb917c3feba6bcb52791d

8303279: C2: crash in SubTypeCheckNode::sub() at IGVN split if

Reviewed-by: simonis
Backport-of: caadad4fdc78799dab2d492dba9b9f74b22d036e

! src/hotspot/share/opto/callGenerator.cpp
! src/hotspot/share/opto/doCall.cpp
! src/hotspot/share/opto/ifnode.cpp
! src/hotspot/share/opto/library_call.cpp
! src/hotspot/share/opto/library_call.hpp
! src/hotspot/share/opto/subtypenode.cpp
+ test/hotspot/jtreg/compiler/splitif/TestCrashAtIGVNSplitIfSubType.java