Index: src/test/ui/runtime/out-of-stack.rs
--- src/test/ui/runtime/out-of-stack.rs.orig
+++ src/test/ui/runtime/out-of-stack.rs
@@ -5,6 +5,7 @@
 // ignore-android: FIXME (#20004)
 // ignore-emscripten no processes
 // ignore-sgx no processes
+// ignore-openbsd
 
 #![feature(core_intrinsics)]
 #![feature(rustc_private)]
