[aarch64-port-dev ] git: openjdk/aarch64-port: master: 8258946: Fix optimization-unstable code involving signed integer overflow

[Ningsheng Jian]

Changeset: dd8996c5
Author:    Hao Sun <hao.sun at arm.com>
Committer: Ningsheng Jian <njian at openjdk.org>
Date:      2021-01-05 07:31:44 +0000
URL:       https://git.openjdk.java.net/aarch64-port/commit/dd8996c5

8258946: Fix optimization-unstable code involving signed integer overflow

Reviewed-by: thartmann, kvn

! src/hotspot/share/opto/ifnode.cpp
! src/hotspot/share/opto/loopTransform.cpp
! src/hotspot/share/opto/parse2.cpp