git: openjdk/mobile: 8234003: Improve IndexSet iteration

[duke]

Changeset: 6f1f6753
Author:    Claes Redestad <redestad at openjdk.org>
Date:      2019-11-14 15:24:35 +0000
URL:       https://git.openjdk.java.net/mobile/commit/6f1f6753

8234003: Improve IndexSet iteration

Reviewed-by: neliasso, thartmann

! src/hotspot/share/opto/chaitin.cpp
! src/hotspot/share/opto/coalesce.cpp
! src/hotspot/share/opto/ifg.cpp
! src/hotspot/share/opto/indexSet.cpp
! src/hotspot/share/opto/indexSet.hpp
! src/hotspot/share/opto/live.cpp
! src/hotspot/share/opto/reg_split.cpp