git: openjdk/jdk17u: master: 8261236: C2: ClhsdbJstackXcompStress test fails when StressGCM is enabled

[Yuri Nesterenko]

Changeset: 9d590fc1
Author:    Sergey Nazarkin <snazarki at openjdk.org>
Committer: Yuri Nesterenko <yan at openjdk.org>
Date:      2021-09-24 15:22:18 +0000
URL:       https://git.openjdk.java.net/jdk17u/commit/9d590fc13b8a82fc3522bed65bb14ce77b1f4d94

8261236: C2: ClhsdbJstackXcompStress test fails when StressGCM is enabled

Backport-of: 752b6df34c92c02ac0992566e3efa7bc22b96aa1

! src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/compiler/ImmutableOopMapSet.java
! src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/compiler/OopMapStream.java
! src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/ui/classbrowser/HTMLGenerator.java