git: openjdk/jdk17u: master: 8271203: C2: assert(iff->Opcode() == Op_If || iff->Opcode() == Op_CountedLoopEnd || iff->Opcode() == Op_RangeCheck) failed: Check this code when new subtype is added

[Tobias Hartmann]

Changeset: 8a20dfe5
Author:    Tobias Hartmann <thartmann at openjdk.org>
Date:      2021-08-18 14:09:18 +0000
URL:       https://git.openjdk.java.net/jdk17u/commit/8a20dfe5467d1ab8d04dcc0f347610ec35737a6b

8271203: C2: assert(iff->Opcode() == Op_If || iff->Opcode() == Op_CountedLoopEnd || iff->Opcode() == Op_RangeCheck) failed: Check this code when new subtype is added

Backport-of: 3f38a50c528cccc30ca9e513b15ce9866d92aa82

! src/hotspot/share/opto/loopopts.cpp
+ test/hotspot/jtreg/compiler/c2/LongCountedLoopAsUnswitchIff.java