git: openjdk/jdk: 8290529: C2: assert(BoolTest(btest).is_canonical()) failure

[Roland Westrelin]

Changeset: 77e21c57
Author:    Roland Westrelin <roland at openjdk.org>
Date:      2022-09-02 13:35:11 +0000
URL:       https://git.openjdk.org/jdk/commit/77e21c57ce00463db4cc3d87f93729cbfe2c96b4

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

Reviewed-by: kvn, thartmann

! 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