git: openjdk/jdk19: 8288564: C2: LShiftLNode::Ideal produces wrong result after JDK-8278114

[Christian Hagedorn]

Changeset: ed714af8
Author:    Christian Hagedorn <chagedorn at openjdk.org>
Date:      2022-06-20 06:47:40 +0000
URL:       https://git.openjdk.org/jdk19/commit/ed714af854d79fb2b47849f6efdf0c26686b58b3

8288564: C2: LShiftLNode::Ideal produces wrong result after JDK-8278114

Reviewed-by: kvn, iveresov, thartmann

! src/hotspot/share/opto/mulnode.cpp
! test/hotspot/jtreg/compiler/c2/irTests/TestIRLShiftIdeal_XPlusX_LShiftC.java