git: openjdk/jdk17u-dev: 8290529: C2: assert(BoolTest(btest).is_canonical()) failure

[Goetz Lindenmaier]

Changeset: cfc8771e
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2022-10-05 06:55:23 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/cfc8771e9014787bc07cec94e791805af7889eef

8290529: C2: assert(BoolTest(btest).is_canonical()) failure

Reviewed-by: mdoerr
Backport-of: 77e21c57ce00463db4cc3d87f93729cbfe2c96b4

! src/hotspot/share/opto/subnode.cpp
+ test/hotspot/jtreg/compiler/c2/TestUnsignedCompareIntoEqualityNotCanonical.java
+ test/hotspot/jtreg/compiler/c2/irTests/CmpUWithZero.java
! test/hotspot/jtreg/compiler/lib/ir_framework/IRNode.java