git: openjdk/leyden: premain: Fix SCCache closing races

[Vladimir Kozlov]

Changeset: cf036d70
Branch: premain
Author:    Aleksey Shipilev <shade at openjdk.org>
Committer: Vladimir Kozlov <kvn at openjdk.org>
Date:      2024-09-05 15:32:30 +0000
URL:       https://git.openjdk.org/leyden/commit/cf036d707b1cecad037b5543a07649a55d59f0e2

Fix SCCache closing races

Reviewed-by: kvn

! src/hotspot/share/ci/ciEnv.cpp
! src/hotspot/share/code/SCCache.cpp
! src/hotspot/share/code/SCCache.hpp