hg: jdk/jdk: 8231550: C2: ShouldNotReachHere() in verify_strip_mined_scheduling

[rwestrel at redhat.com]

Changeset: bada0782842a
Author:    roland
Date:      2019-10-02 17:32 +0200
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/bada0782842a

8231550: C2: ShouldNotReachHere() in verify_strip_mined_scheduling
Reviewed-by: vlivanov, thartmann

! src/hotspot/share/gc/shenandoah/c2/shenandoahSupport.cpp
! src/hotspot/share/opto/loopnode.cpp
+ test/hotspot/jtreg/compiler/loopstripmining/TestConservativeAntiDep.java