git: openjdk/jdk17u: master: 2 new changesets

[Martin Doerr]

Changeset: 6dbb3d0c
Author:    Martin Doerr <mdoerr at openjdk.org>
Date:      2021-10-18 09:31:59 +0000
URL:       https://git.openjdk.java.net/jdk17u/commit/6dbb3d0cba28b9ce83c1ae4d7550822f3caa2e8a

8274773: [TESTBUG] UnsafeIntrinsicsTest intermittently fails on weak memory model platform

Backport-of: 49f8ce6e9c797cd11ea586e3cf87398888bc8cf1

! test/hotspot/jtreg/compiler/gcbarriers/UnsafeIntrinsicsTest.java

Changeset: 8b62d546
Author:    Martin Doerr <mdoerr at openjdk.org>
Date:      2021-10-18 09:32:48 +0000
URL:       https://git.openjdk.java.net/jdk17u/commit/8b62d546f86e2fc356bda00426e45a18d081679e

8274550: c2i entry barriers read int as long on PPC

Backport-of: 5e4b514e6e7e1b9f51fac1983b6c12a988f7f5a8

! src/hotspot/cpu/ppc/gc/shared/barrierSetAssembler_ppc.cpp