git: openjdk/jdk17: 8268699: Shenandoah: Add test for JDK-8268127

[Zhengyu Gu]

Changeset: 0d83dc24
Author:    Zhengyu Gu <zgu at openjdk.org>
Date:      2021-06-29 12:29:06 +0000
URL:       https://git.openjdk.java.net/jdk17/commit/0d83dc241119eb970bf41fea56f42f686ec38b83

8268699: Shenandoah: Add test for JDK-8268127

Backport-of: e59acd9860ca9e50c91472f8215f73c17d2099b6

+ test/hotspot/jtreg/gc/shenandoah/options/TestLargePagesWithSmallHeap.java