[llvm] [unittest] Skip W+X MappedMemoryTests on OpenBSD (PR #89102)

[Brad Smith via llvm-commits]

https://github.com/brad0 created https://github.com/llvm/llvm-project/pull/89102

OpenBSD uses W^X so the tests will not work.

>From 260db952ae06d8b3b6cad0ee0a0e6b6cfc845b72 Mon Sep 17 00:00:00 2001
From: Brad Smith <brad at comstyle.com>
Date: Wed, 17 Apr 2024 13:11:36 -0400
Subject: [PATCH] [unittest] Skip W+X MappedMemoryTests on OpenBSD

OpenBSD uses W^X so the tests will not work.
---
 llvm/unittests/Support/MemoryTest.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/unittests/Support/MemoryTest.cpp b/llvm/unittests/Support/MemoryTest.cpp
index 0164492829ccd7..9daa6d0ff9e4dd 100644
--- a/llvm/unittests/Support/MemoryTest.cpp
+++ b/llvm/unittests/Support/MemoryTest.cpp
@@ -40,7 +40,7 @@ bool IsMPROTECT() {
     err(EXIT_FAILURE, "sysctl");
 
   return !!(paxflags & CTL_PROC_PAXFLAGS_MPROTECT);
-#elif defined(__APPLE__) && defined(__aarch64__)
+#elif (defined(__APPLE__) && defined(__aarch64__)) || defined(__OpenBSD__)
   return true;
 #else
   return false;