[LLVM] Update to llvm-project@86b69c3 (triton-lang#5242)

peterbell10 · jataylo · commit ad46b8d3daf1 · 2024-12-12T20:52:59.000Z
This includes llvm/llvm-project#115627 (cherry picked from commit 6404fbb)
diff --git a/cmake/llvm-hash.txt b/cmake/llvm-hash.txt
@@ -1 +1 @@
-bd9145c8c21334e099d51b3e66f49d51d24931ee
+86b69c31642e98f8357df62c09d118ad1da4e16a
