git: openjdk/jdk: 8251544: CTW: C2 fails with assert(no_dead_loop) failed: dead loop detected

[Christian Hagedorn]

Changeset: 54bbe76e
Author:    Christian Hagedorn <chagedorn at openjdk.org>
Date:      2020-10-12 08:18:13 +0000
URL:       https://git.openjdk.java.net/jdk/commit/54bbe76e

8251544: CTW: C2 fails with assert(no_dead_loop) failed: dead loop detected

Reviewed-by: kvn, roland

! src/hotspot/share/opto/cfgnode.cpp
! src/hotspot/share/opto/cfgnode.hpp
+ test/hotspot/jtreg/compiler/c2/TestDeadDataLoopIGVN.java