git: openjdk/loom: fibers: Compiled method iterator that blocks the sweeper to prevent racy

[duke]

Changeset: 986a9006
Author:    Rickard Bäckman <rickard.backman at oracle.com>
Date:      2022-03-18 14:53:17 +0000
URL:       https://git.openjdk.java.net/loom/commit/986a9006e2323bd5ba238f2778e22a5bb57087a1

Compiled method iterator that blocks the sweeper to prevent racy
zombies.

! src/hotspot/share/code/codeCache.cpp
! src/hotspot/share/code/codeCache.hpp
! src/hotspot/share/runtime/deoptimization.cpp
! src/hotspot/share/runtime/sweeper.cpp