git: openjdk/jdk17: 8268347: C2: nested locks optimization may create unbalanced monitor enter/exit code

[Vladimir Kozlov]

Changeset: 4d8b5c70
Author:    Vladimir Kozlov <kvn at openjdk.org>
Date:      2021-06-14 23:41:50 +0000
URL:       https://git.openjdk.java.net/jdk17/commit/4d8b5c70dff51470210a0ca93b932af1b27c9f27

8268347: C2: nested locks optimization may create unbalanced monitor enter/exit code

Reviewed-by: roland, vlivanov, dcubed

! src/hotspot/share/opto/c2compiler.cpp
! src/hotspot/share/opto/c2compiler.hpp
! src/hotspot/share/opto/callnode.cpp
! src/hotspot/share/opto/callnode.hpp
! src/hotspot/share/opto/compile.cpp
! src/hotspot/share/opto/compile.hpp
! src/hotspot/share/opto/locknode.cpp
! src/hotspot/share/opto/locknode.hpp
! src/hotspot/share/opto/macro.cpp
! test/hotspot/jtreg/TEST.groups
+ test/hotspot/jtreg/compiler/locks/TestNestedLocksElimination.java