git: openjdk/jdk16: 8259765: ZGC: Handle incorrect processor id reported by the operating system

[Per Liden]

Changeset: e68eac9c
Author:    Per Liden <pliden at openjdk.org>
Date:      2021-01-28 07:58:50 +0000
URL:       https://git.openjdk.java.net/jdk16/commit/e68eac9c

8259765: ZGC: Handle incorrect processor id reported by the operating system

Reviewed-by: ayang, eosterlund

! src/hotspot/os/linux/os_linux.cpp