portage-ng --merge
>>> Emerging : portage://sys-devel/gcc-config-2.12.1:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ download portage://sys-devel/gcc-config-2.12.1
│ └─ file ─┤ 17.90 Kb gcc-config-2.12.1.tar.xz
└─step 2─┤ downgrade portage://sys-devel/gcc-config-2.12.1 (replaces pkg://sys-devel/gcc-config-2.12.2)
│ └─ conf ─┤ USE = "(cc-wrappers) (native-symlinks)"
└─step 3─┤ run portage://sys-devel/gcc-config-2.12.1
Total: 3 actions (1 download, 1 downgrade, 1 run), grouped into 3 steps.
17.90 Kb to be downloaded.