git: openjdk/jdk19u: master: 8290529: C2: assert(BoolTest(btest).is_canonical()) failure

[Tobias Hartmann]

Changeset: 152d2f1c
Author:    Tobias Hartmann <thartmann at openjdk.org>
Date:      2022-09-29 05:09:52 +0000
URL:       https://git.openjdk.org/jdk19u/commit/152d2f1c0a343c6cdcb06fd9416c2189bb098df6

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

Reviewed-by: kvn
Backport-of: 77e21c57ce00463db4cc3d87f93729cbfe2c96b4

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