[MacPorts] #57613: port @ 2.5.4: diagnose command gives error about Xcode 10.1

[MacPorts]

#57613: port @ 2.5.4: diagnose command gives error about Xcode 10.1
-------------------------+--------------------
  Reporter:  hardingliu  |      Owner:  jmroot
      Type:  defect      |     Status:  closed
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.5.4
Resolution:  fixed       |   Keywords:
      Port:              |
-------------------------+--------------------
Changes (by jmroot):

 * owner:  (none) => jmroot
 * status:  new => closed
 * resolution:   => fixed


Comment:

 In [changeset:"c83a93fce5108e94a92e0e0b2ac0e679b83ddaa8/macports-ports"
 c83a93fce5108e94a92e0e0b2ac0e679b83ddaa8/macports-ports] (master):
 {{{
 #!ConfigurableCommitTicketReference repository="macports-ports"
 revision="c83a93fce5108e94a92e0e0b2ac0e679b83ddaa8"
 Update xcode_versions.ini

 Closes: https://trac.macports.org/ticket/57613
 }}}

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Ticket URL: <https://trac.macports.org/ticket/57613#comment:6>
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