[MacPorts] #70447: bind9 @9.20.0 crashes on 10.6

[MacPorts]

#70447: bind9 @9.20.0 crashes on 10.6
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 Reporter:  jmroot  |      Owner:  (none)
     Type:  defect  |     Status:  new
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:
 Keywords:          |       Port:  bind9
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 It's crashing in the allocator which is called from
 `__emutls_get_address`. Basically the same thing with or without jemalloc.
 No idea if it's a problem with the emulated TLS implementation in clang-11
 or something BIND is doing.

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Ticket URL: <https://trac.macports.org/ticket/70447>
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