[MacPorts] #62775: gcc10 @10.3.0: gcc10 failed to build from source on Big Sur 11.3

[MacPorts]

#62775: gcc10 @10.3.0: gcc10 failed to build from source on Big Sur 11.3
----------------------------+--------------------
  Reporter:  ferdy          |      Owner:  (none)
      Type:  defect         |     Status:  new
  Priority:  Normal         |  Milestone:
 Component:  ports          |    Version:  2.6.4
Resolution:                 |   Keywords:
      Port:  gcc10 @10.3.0  |
----------------------------+--------------------
Changes (by ferdy):

 * Attachment "maingcc.log.gz" added.

 /opt/mp/var/macports/logs/_opt_mp_macports-ports_lang_gcc10/gcc10/main.log

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Ticket URL: <https://trac.macports.org/ticket/62775>
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