hg: jdk8u/jdk8u-dev/hotspot: 8145096: Undefined behaviour in HotSpot

[rwestrel at redhat.com]

Changeset: f43f77de876a
Author:    aph
Date:      2019-02-01 10:47 +0100
URL:       http://hg.openjdk.java.net/jdk8u/jdk8u-dev/hotspot/rev/f43f77de876a

8145096: Undefined behaviour in HotSpot
Summary: Fix some integer overflows
Reviewed-by: jrose, kvn, kbarrett, adinn, iklam

! src/os/posix/vm/os_posix.cpp
! src/share/vm/opto/addnode.cpp
! src/share/vm/opto/loopTransform.cpp
! src/share/vm/opto/mulnode.cpp
! src/share/vm/opto/subnode.cpp
! src/share/vm/opto/type.cpp
! src/share/vm/runtime/advancedThresholdPolicy.cpp
! src/share/vm/utilities/globalDefinitions.hpp