test-primops: MulMayOflo failure (x86 darwin)

MulMayOflo
   W8:                   OK (103.40s)
     +++ OK, passed 100 tests; 116 discarded.
   W16:                  OK (102.66s)
     +++ OK, passed 100 tests; 113 discarded.
   W32:                  OK (113.03s)
     +++ OK, passed 100 tests; 134 discarded.
   W64:                  FAIL (790.78s)
     *** Failed! Exception: 'readCreateProcess: /Users/builder/builds/oBRYs8oB/0/ghc/test-primops/dist-newstyle/build/x86_64-osx/ghc-9.9.20230810/run-it-0.1.0.0/x/run-it/build/run-it/run-it "./tmp-848a3fb8177edbfd/Test.so" (exit -8): failed' (after 96 tests and 17 shrinks):
     0x8000000000000000::W64 %s (~(zext[W8→W64]((1::W8 + (load[W8](1::W64))) & 1::W8)))
     0::W64
     Use --quickcheck-replay=773932 to reproduce.
     Use -p '$2!~/llvm/&&/MulMayOflo.W64/' to rerun this test only.

See this job: https://gitlab.haskell.org/ghc/test-primops/-/jobs/1637586

Blocking !10910 (closed)