[MacPorts] #70229: R-RcppParallel dependents using libc++ on < 10.12 need a fix for aligned deallocation: error: aligned deallocation function of type 'void (void *, std::align_val_t) noexcept' is only available on macOS 10.13 or newer

[MacPorts]

#70229: R-RcppParallel dependents using libc++ on < 10.12 need a fix for aligned
deallocation: error: aligned deallocation function of type 'void (void *,
std::align_val_t) noexcept' is only available on macOS 10.13 or newer
-------------------------------------+-------------------------------------
  Reporter:  barracuda156            |      Owner:  (none)
      Type:  defect                  |     Status:  new
  Priority:  Normal                  |  Milestone:
 Component:  ports                   |    Version:  2.9.3
Resolution:                          |   Keywords:  elcapitan, yosemite,
      Port:  R-rstan,                |  mavericks, mountainlion, lion,
  R-RcppParallel, onetbb             |  snowleopard
-------------------------------------+-------------------------------------

Comment (by barracuda156):

 See also: #69657

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Ticket URL: <https://trac.macports.org/ticket/70229#comment:1>
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