From c643956d69b1813cc2caf938207f073d28b7b72c Mon Sep 17 00:00:00 2001
From: Brad Smith <brad@comstyle.com>
Date: Fri, 9 Sep 2022 20:33:30 -0400
Subject: [PATCH] [mlir] Fix building CRunnerUtils on OpenBSD with 15.x

CRunnerUtils builds as C++11. 9c1d133c3a0256cce7f40e2e06966f84e8b99ffe broke
the build on OpenBSD. aligned_alloc() was only introduced in C++17.
---
 mlir/lib/ExecutionEngine/CRunnerUtils.cpp | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/mlir/lib/ExecutionEngine/CRunnerUtils.cpp b/mlir/lib/ExecutionEngine/CRunnerUtils.cpp
index f2a43a5de95f..323e6d5b5187 100644
--- a/mlir/lib/ExecutionEngine/CRunnerUtils.cpp
+++ b/mlir/lib/ExecutionEngine/CRunnerUtils.cpp
@@ -127,14 +127,10 @@ extern "C" void *_mlir_alloc(uint64_t size) { return malloc(size); }
 extern "C" void *_mlir_aligned_alloc(uint64_t alignment, uint64_t size) {
 #ifdef _WIN32
   return _aligned_malloc(size, alignment);
-#elif defined(__APPLE__)
-  // aligned_alloc was added in MacOS 10.15. Fall back to posix_memalign to also
-  // support older versions.
+#else
   void *result = nullptr;
   (void)::posix_memalign(&result, alignment, size);
   return result;
-#else
-  return aligned_alloc(alignment, size);
 #endif
 }