[MacPorts] #65598: clang-devel @20220731 fails to build with clang-11 as bootstrap compiler

[MacPorts]

#65598: clang-devel @20220731 fails to build with clang-11 as bootstrap compiler
--------------------------+--------------------------
  Reporter:  kencu        |      Owner:  cjones051073
      Type:  defect       |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  clang-devel  |
--------------------------+--------------------------

Comment (by kencu):

 10.12 looks OK too, but lldb-devel won't build there (easily):
 {{{
 $ port -v installed | grep devel
   clang-devel @20220731-02b3a358_0+analyzer+libstdcxx (active)
 requested_variants='' platform='darwin 16' archs='x86_64'
 date='2022-08-05T19:41:17-0700'
   flang-devel @20220731-02b3a358_0 (active) requested_variants=''
 platform='darwin 16' archs='x86_64' date='2022-08-06T01:12:34-0700'
   legacy-support-devel @20220805_0 (active) requested_variants=''
 platform='darwin 16' archs='x86_64' date='2022-08-05T18:02:43-0700'
   llvm-devel @20220731-02b3a358_0 (active) requested_variants=''
 platform='darwin 16' archs='x86_64' date='2022-08-05T18:07:48-0700'
   mlir-devel @20220731-02b3a358_0 (active) requested_variants=''
 platform='darwin 16' archs='x86_64' date='2022-08-05T22:14:06-0700'
 }}}

 it requires the (minor) new changes to legacy-support, so a new release of
 that would be needed before pushing the llvm-devel update.

-- 
Ticket URL: <https://trac.macports.org/ticket/65598#comment:6>
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