[MacPorts] #66129: Pythons are broken for +universal, even on Intel with Clang

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Tue Nov 1 11:30:59 UTC 2022

#66129: Pythons are broken for +universal, even on Intel with Clang
  Reporter:  barracuda156                   |      Owner:  jmroot
      Type:  defect                         |     Status:  assigned
  Priority:  Normal                         |  Milestone:
 Component:  ports                          |    Version:  2.8.0
Resolution:                                 |   Keywords:
      Port:  python310, python39, python38  |

Comment (by kencu):

 looks like an ICE with this old clang, involving atomics perhaps?

 1473     :fatal error: error in backend: Cannot select: 0x10268f210: i8,ch
 = AtomicLoad 0x1028e77e8, 0x10268f510<Volatile LD1[@is_tripped.0]> [ID=11]
 1474    :info:build   0x10268f510: i64 = X86ISD::WrapperRIP 0x10268c210
 1475    :info:build     0x10268c210: i64 = TargetGlobalAddress<i1*
 @is_tripped.0> 0 [ID=8]
 1476    :info:build In function: _PyErr_CheckSignalsTstate
 1477    :info:build clang: error: clang frontend command failed with exit
 code 70 (use -v to see invocation)

 I don’t see this is likely fixable, so probably have to blacklist this
 clang version if someone else can reproduce this error.

 Noted it builds fine non-universal 64-bit with this compiler:


Ticket URL: <https://trac.macports.org/ticket/66129#comment:2>
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