CLSA-2026-1786492830 Fix CVE(s): CVE-2026-13221, CVE-2026-57432

Fix armel build under qemu-user emulation: skip process-title and threaded directory-handle tests that cannot pass under qemu-arm-static - debian/patches/debian/armel-skip-qemu-emulation-tests.diff: guard the argv0/$0 assertions in t/op/magic.t and dist/threads/t/join.t and the cloned-dir-iterato...

PT-2026-123542

Fix armel build under qemu-user emulation: skip process-title and threaded directory-handle tests that cannot pass under qemu-arm-static - debian/patches/debian/armel-skip-qemu-emulation-tests.diff: guard the argv0/$0 assertions in t/op/magic.t and dist/threads/t/join.t and the cloned-dir-iterato...