hg: jdk-updates/jdk11u-dev: 8241900: Loop unswitching may cause dependence on null check to be lost

[matthias.baesken at sap.com]

Changeset: cb1b202719d9
Author:    roland
Date:      2020-04-02 15:03 +0200
URL:       https://hg.openjdk.java.net/jdk-updates/jdk11u-dev/rev/cb1b202719d9

8241900: Loop unswitching may cause dependence on null check to be lost
Reviewed-by: thartmann, kvn

! src/hotspot/share/opto/loopUnswitch.cpp
+ test/hotspot/jtreg/compiler/loopopts/TestLoopUnswitchingLostCastDependency.java