hg: jdk/sandbox: 8232883: compiler/c2/CmpPNodeSubTest.java fails because test class name is wrong

[chris.hegarty at oracle.com]

Changeset: 765710337ee1
Author:    thartmann
Date:      2019-10-23 13:52 +0200
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/765710337ee1

8232883: compiler/c2/CmpPNodeSubTest.java fails because test class name is wrong
Summary: Renamed test file to match class name.
Reviewed-by: roland

- test/hotspot/jtreg/compiler/c2/CmpPNodeSubTest.java
+ test/hotspot/jtreg/compiler/c2/CompareKlassPointersTest.java