[MacPorts] #68480: gcc13 upgrade failure with xcode upgrade to 15 on macOS 13.5.2

[MacPorts]

#68480: gcc13 upgrade failure with xcode upgrade to 15 on macOS 13.5.2
----------------------+------------------------
  Reporter:  mu578    |      Owner:  (none)
      Type:  defect   |     Status:  new
  Priority:  Not set  |  Milestone:
 Component:  ports    |    Version:  2.8.1
Resolution:           |   Keywords:  ld_classic
      Port:  gcc13    |
----------------------+------------------------

Comment (by mu578):

 and now since self-update wonky state

 {{{
 sudo port install gcc12
 --->  Computing dependencies for libgcc13
 --->  Fetching archive for libgcc13
 --->  Attempting to fetch
 libgcc13-13.2.0_3+stdlib_flag+universal.darwin_22.arm64-x86_64.tbz2 from
 https://packages.macports.org/libgcc13
 --->  Attempting to fetch
 libgcc13-13.2.0_3+stdlib_flag+universal.darwin_22.arm64-x86_64.tbz2 from
 http://mirror.fcix.net/macports/packages/libgcc13
 --->  Attempting to fetch
 libgcc13-13.2.0_3+stdlib_flag+universal.darwin_22.arm64-x86_64.tbz2 from
 https://ywg.ca.packages.macports.org/mirror/macports/packages/libgcc13
 --->  Building libgcc13
 Error: Failed to build libgcc13: command execution failed
 Error: See
 /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_gcc13/libgcc13/main.log
 for details.
 Error: Problem while installing libgcc13
 Error: Unable to execute port: upgrade libgcc12 failed
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/68480#comment:1>
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