git: openjdk/jdk: master: 8349479: C2: when a Type node becomes dead, make CFG path that uses it unreachable

[Roland Westrelin]

Changeset: bcac42aa
Branch: master
Author:    Roland Westrelin <roland at openjdk.org>
Date:      2025-04-10 07:04:15 +0000
URL:       https://git.openjdk.org/jdk/commit/bcac42aabce5b57525f776037d73b51d0afcbaf5

8349479: C2: when a Type node becomes dead, make CFG path that uses it unreachable

Reviewed-by: chagedorn, vlivanov

! src/hotspot/cpu/aarch64/aarch64.ad
! src/hotspot/cpu/arm/arm.ad
! src/hotspot/cpu/ppc/ppc.ad
! src/hotspot/cpu/riscv/riscv.ad
! src/hotspot/cpu/s390/s390.ad
! src/hotspot/cpu/x86/x86.ad
! src/hotspot/share/nmt/nativeCallStackPrinter.cpp
! src/hotspot/share/opto/c2_globals.hpp
! src/hotspot/share/opto/castnode.cpp
! src/hotspot/share/opto/connode.hpp
! src/hotspot/share/opto/convertnode.cpp
! src/hotspot/share/opto/movenode.cpp
! src/hotspot/share/opto/node.cpp
! src/hotspot/share/opto/node.hpp
! src/hotspot/share/opto/phaseX.cpp
! src/hotspot/share/opto/phaseX.hpp
! src/hotspot/share/utilities/ostream.cpp
! src/hotspot/share/utilities/ostream.hpp
+ test/hotspot/jtreg/compiler/c2/TestGuardOfCastIIDoesntFold.java
! test/hotspot/jtreg/compiler/predicates/assertion/TestAssertionPredicates.java