>>> Emerging : portage://sys-devel/gcc-9.5.0:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ unmask  portage://sys-devel/gcc-9.5.0

 └─step  2─┤ download  portage://sys-devel/gcc-9.5.0
             │           └─ file ─┤ 17.47 Kb  	 gcc-9.5.0-patches-3.tar.xz
             │                    │ 69.11 Mb  	 gcc-9.5.0.tar.xz

 └─step  3─┤ install   portage://sys-devel/gcc-9.5.0 (unmasked)
             │           └─ conf ─┤ USE = "graphite* lto* nls openmp pgo* (cxx) (pie) fortran sanitize ssp (-fixed-point) (-ieee-long-double) (-libssp) -ada
             │                    │          -d -debug -doc -go -hardened -jit -objc -objc++ -objc-gc -systemtap -test -vanilla -vtv"
             │                    │ SLOT = "9.5.0"

 └─step  4─┤ run     portage://sys-devel/gcc-9.5.0

Total: 4 actions (1 unmask, 1 download, 1 install, 1 run), grouped into 4 steps.
       69.12 Mb to be downloaded.


>>> Assumptions taken during proving & planning:

  Package unmask (1 package):
  Add to /etc/portage/package.unmask:
    =sys-devel/gcc-9.5.0