hg: jdk/submit: 8240335: C2: assert(found_sfpt) failed: no node in loop that's not input to safepoint

[rwestrel at redhat.com]

Changeset: 28fa7b197532
Author:    roland
Date:      2020-03-20 13:56 +0100
URL:       https://hg.openjdk.java.net/jdk/submit/rev/28fa7b197532

8240335: C2: assert(found_sfpt) failed: no node in loop that's not input to safepoint
Reviewed-by: kvn, thartmann

! src/hotspot/share/opto/cfgnode.cpp
! src/hotspot/share/opto/cfgnode.hpp
+ test/hotspot/jtreg/compiler/loopstripmining/TestCastIIAfterUnrollingInOuterLoop.java