[MacPorts] #59948: Building libgcc7 failed on macOS Catalina 10.15.2

[MacPorts]

#59948: Building libgcc7 failed on macOS Catalina 10.15.2
-------------------------+--------------------
 Reporter:  avisformosa  |      Owner:  (none)
     Type:  defect       |     Status:  new
 Priority:  Normal       |  Milestone:
Component:  ports        |    Version:
 Keywords:               |       Port:
-------------------------+--------------------
 Building libgcc7 using
 {{{
 sudo port -v install libgcc7
 }}}
 failed as described in the attached log:

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Ticket URL: <https://trac.macports.org/ticket/59948>
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