git: openjdk/jdk: 8258058: improve description of OutOfMemoryError relevant flags

[Jie Fu]

Changeset: 0c8cc2cd
Author:    Xin Liu <xliu at openjdk.org>
Committer: Jie Fu <jiefu at openjdk.org>
Date:      2020-12-16 09:01:27 +0000
URL:       https://git.openjdk.java.net/jdk/commit/0c8cc2cd

8258058: improve description of OutOfMemoryError relevant flags

OutOfMemoryError thrown out of JVM doesn't notify hotspot, so debug.cpp::report_java_out_out_memory does not handle it. ie. Some options don't respect OOMEs from Java libraries.  We need to make the description more clear to users.

Reviewed-by: dholmes, jiefu

! src/hotspot/share/runtime/globals.hpp