[aarch64-port-dev ] git: openjdk/aarch64-port: master: 8256827: C2: Avoid reallocations by pre-sizing lists in post_allocate_copy_removal

[Claes Redestad]

Changeset: b450e7c1
Author:    Claes Redestad <redestad at openjdk.org>
Date:      2020-11-23 10:18:40 +0000
URL:       https://github.com/openjdk/aarch64-port/commit/b450e7c1

8256827: C2: Avoid reallocations by pre-sizing lists in post_allocate_copy_removal

Reviewed-by: kvn, thartmann

! src/hotspot/share/opto/node.cpp
! src/hotspot/share/opto/node.hpp
! src/hotspot/share/opto/postaloc.cpp