Disabled in2ab51bf13a, doesn't hang for me on AArch64 (Graviton 3, tested 1000 iterations). May still be an issue, but hard to know unless we enable it again to find out. n.b. test was also disabled on PowerPC in467afc5f84for same reason and it has also been observed on x86: https://lists.llvm.org/pipermail/llvm-dev/2016-January/094607.html Fixes: https://github.com/llvm/llvm-project/issues/24763