git: openjdk/jdk17u-dev: 8303564: C2: "Bad graph detected in build_loop_late" after a CMove is wrongly split thru phi

[Goetz Lindenmaier]

Changeset: 820030a5
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2023-05-04 10:56:45 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/820030a5a953b1684ea66c5cb4c698d4e4dd57b6

8303564: C2: "Bad graph detected in build_loop_late" after a CMove is wrongly split thru phi

Backport-of: 5e232cf0a96cf81036a2d9d7814127b7bc9ebab1

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