[aarch64-port-dev ] git: openjdk/aarch64-port: master: 8272811: Document the effects of building with _GNU_SOURCE in os_posix.hpp

[David Holmes]

Changeset: c4c76e2f
Author:    David Holmes <dholmes at openjdk.org>
Date:      2021-08-26 02:24:36 +0000
URL:       https://git.openjdk.java.net/aarch64-port/commit/c4c76e2f34f7e709f8b3c960d8c796ff4e2dc4a5

8272811: Document the effects of building with _GNU_SOURCE in os_posix.hpp

Reviewed-by: iklam

! src/hotspot/os/posix/os_posix.hpp