[clang] [offload-arch] Fix HIP DLL discovery and loading on Windows (PR #194063)

[Jacob Lambert via cfe-commits]

================
@@ -112,10 +142,7 @@ static std::vector<std::string> getSearchPaths() {
       Paths.push_back(Utf8WindowsDir);
   }
 
-  // Get the current working directory
-  SmallVector<char, 256> CWD;
-  if (sys::fs::current_path(CWD))
-    Paths.push_back(std::string(CWD.begin(), CWD.end()));
+  // CWD deliberately excluded — DLL planting risk.
----------------
lamb-j wrote:

Are we sure removing the CWD check isn't going to break things?

https://github.com/llvm/llvm-project/pull/194063