hg: panama/dev: Miscellaneous cleanups in hotspot and build code.

[vladimir.x.ivanov at oracle.com]

Changeset: 2b360d02c59d
Author:    vlivanov
Date:      2020-07-24 19:22 +0300
URL:       https://hg.openjdk.java.net/panama/dev/rev/2b360d02c59d

Miscellaneous cleanups in hotspot and build code.

! .hgignore
! make/autoconf/toolchain.m4
! make/common/NativeCompilation.gmk
! src/hotspot/cpu/zero/sharedRuntime_zero.cpp
! src/hotspot/share/opto/callGenerator.cpp
! src/hotspot/share/opto/castnode.cpp
! src/hotspot/share/opto/cfgnode.cpp
! src/hotspot/share/opto/compile.hpp
! src/hotspot/share/opto/vector.cpp
! src/hotspot/share/opto/vectornode.hpp