git: openjdk/jdk17: 8269752: C2: assert(false) failed: Bad graph detected in build_loop_late

[Roland Westrelin]

Changeset: c1304519
Author:    Roland Westrelin <roland at openjdk.org>
Date:      2021-07-19 07:31:28 +0000
URL:       https://git.openjdk.java.net/jdk17/commit/c1304519b56e44d1d4e380d0b9839a8b09385e6d

8269752: C2: assert(false) failed: Bad graph detected in build_loop_late

Reviewed-by: chagedorn, kvn

! src/hotspot/share/opto/cfgnode.cpp
! src/hotspot/share/opto/loopTransform.cpp
! src/hotspot/share/opto/loopnode.cpp
! src/hotspot/share/opto/loopnode.hpp
! src/hotspot/share/opto/multnode.cpp
! src/hotspot/share/opto/superword.cpp
+ test/hotspot/jtreg/compiler/loopopts/TestMainBodyExecutedOnce.java