git: openjdk/mobile: 8234691: Potential double-free in ParallelSPCleanupTask constructor

[duke]

Changeset: f8f69846
Author:    David Buck <dbuck at openjdk.org>
Date:      2020-04-21 19:52:18 +0000
URL:       https://git.openjdk.java.net/mobile/commit/f8f69846

8234691: Potential double-free in ParallelSPCleanupTask constructor

Prevent extraneous constructor call

Reviewed-by: dholmes, stefank

! src/hotspot/share/gc/shared/workgroup.hpp
! src/hotspot/share/runtime/safepoint.cpp