[MacPorts] #70779: clang-17 build fails on Sequoia

[MacPorts]

#70779: clang-17 build fails on Sequoia
------------------------+--------------------
  Reporter:  jwhowarth  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.10.1
Resolution:             |   Keywords:
      Port:  clang-17   |
------------------------+--------------------

Comment (by markemer):

 Replying to [comment:6 jwhowarth]:
 > FYI, so far the only sensible commit that I've identified in llvm 18.x
 to back port to llvm 17.0.6 is this one.
 >
 > Reland "[MC][AsmParser] Diagnose improperly nested .cfi frames"
 > This showed up when simplifying some large testcase, where the cfi
 directives
 > became out of sync with the proc's they enclose.
 >
 > Now restricted to platforms that support .subsections_via_symbols.
 >
 > This reverts commit 797b68c.
 >
 > Fixes: #72802
 >
 > Differential revision: https://reviews.llvm.org/D153167
 >
 > rdar://111459507
 >
 > [https://github.com/llvm/llvm-
 project/commit/d506aa4edfa66074db3dc1fa84da9d9c80d71500]
 >
 > Unfortunately, this change alone appears to be insufficient to eliminate
 the build failures on Sequoia.

 Maybe the error is in the Xcode compiler? Could we try compiling with one
 of ours. Like clang18 from MP?

-- 
Ticket URL: <https://trac.macports.org/ticket/70779#comment:9>
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