[MacPorts] #54983: Segmentation fault building libgcc

[MacPorts]

#54983: Segmentation fault building libgcc
----------------------------+-----------------
 Reporter:  riccardobrasca  |      Owner:
     Type:  defect          |     Status:  new
 Priority:  Normal          |  Milestone:
Component:  ports           |    Version:
 Keywords:                  |       Port:
----------------------------+-----------------
 I got the following error building libgcc after upgrading to High Sierra
 (and following the migration guide)

 --->  Building libgcc
 Error: Failed to build libgcc: command execution failed
 Error: See
 /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_lang_gcc7/libgcc/main.log
 for details.
 Error: Follow https://guide.macports.org/#project.tickets to report a bug.
 Error: Processing of port okular failed

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Ticket URL: <https://trac.macports.org/ticket/54983>
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