>>> Emerging : portage://sys-devel/gcc-10.5.0:run?{[]}

These are the packages that would be merged, in order:

Calculating dependencies... done!

 └─step  1─┤ unmask  portage://sys-devel/gcc-10.5.0

 └─step  2─┤ download  portage://sys-devel/gcc-10.5.0
             │           └─ file ─┤ 3.37 Kb  	 gcc-10.5.0-musl-patches-2.tar.xz
             │                    │ 19.14 Kb  	 gcc-10.5.0-patches-7.tar.xz
             │                    │ 74.24 Mb  	 gcc-10.5.0.tar.xz

Total: 2 actions (1 unmask, 1 download), grouped into 2 steps.
       74.26 Mb to be downloaded.


>>> Assumptions taken during proving & planning:

  Package unmask (1 package):
  Add to /etc/portage/package.unmask:
    =sys-devel/gcc-10.5.0