git: openjdk/jdk17: 8267042: bug in monitor locking/unlocking on ARM32 C1 due to uninitialized BasicObjectLock::_displaced_header

[Boris Ulasevich]

Changeset: c294ae4f
Author:    Boris Ulasevich <bulasevich at openjdk.org>
Date:      2021-06-21 06:04:57 +0000
URL:       https://git.openjdk.java.net/jdk17/commit/c294ae4fed59c7e303416346cc4b189a48bc1ab1

8267042: bug in monitor locking/unlocking on ARM32 C1 due to uninitialized BasicObjectLock::_displaced_header

Co-authored-by: Chris Cole <chris at sageembedded.com>
Reviewed-by: dsamersoff

! src/hotspot/cpu/arm/c1_MacroAssembler_arm.cpp
! src/hotspot/cpu/arm/sharedRuntime_arm.cpp
+ test/hotspot/jtreg/compiler/c1/Test8267042.java