[UR] Update to new urProgramLink interface (#13085)

Pre-commit PR for
oneapi-src/unified-runtime#1458

---------

Co-authored-by: Kenneth Benzie (Benie) <k.benzie@codeplay.com>

sycl/plugins/unified_runtime/CMakeLists.txt

@@ -100,13 +100,13 @@ if(SYCL_PI_UR_USE_FETCH_CONTENT)
   endfunction()
 
   set(UNIFIED_RUNTIME_REPO "https://github.com/oneapi-src/unified-runtime.git")
-  # commit 9d3bce6ad92e6f0a4af0139f9744584b5a402827
-  # Merge: e0775441 1c9c2d0b
+  # commit 8cc2b874cfc0dbf2899fe8002f4822fe2d876629 (HEAD -> main, origin/main, origin/HEAD)
+  # Merge: 2f548cae 25c75c06
   # Author: Kenneth Benzie (Benie) <k.benzie@codeplay.com>
-  # Date:   Tue Jul 9 15:57:44 2024 +0100
-  #     Merge pull request #1822 from JackAKirk/cuda-cubemap-driver-fix
-  #     [cuda][bindless_images][2025.0 req] Fix for cuda < 11.6 support.
-  set(UNIFIED_RUNTIME_TAG 9d3bce6ad92e6f0a4af0139f9744584b5a402827)
+  # Date:   Wed Jul 10 12:36:28 2024 +0100
+  #     Merge pull request #1458 from RossBrunton/ross/linkerror
+  #     [UR] Improve handling of error cases in urProgramLink
+  set(UNIFIED_RUNTIME_TAG 25c75c06999dfae33415fbdb98f620e00bcf10f0)
 
   fetch_adapter_source(level_zero
     ${UNIFIED_RUNTIME_REPO}

sycl/plugins/unified_runtime/pi2ur.hpp

@@ -2074,12 +2074,16 @@ piProgramLink(pi_context Context, pi_uint32 NumDevices,
   auto UrDevices = reinterpret_cast<ur_device_handle_t *>(
       const_cast<pi_device *>(DeviceList));
 
+  // If it fails, urProgramLinkExp will clear the pointer
+  ur_program_handle_t UrProgramForExp;
   auto urResult =
       urProgramLinkExp(UrContext, NumDevices, UrDevices, NumInputPrograms,
-                       UrInputPrograms, Options, UrProgram);
+                       UrInputPrograms, Options, &UrProgramForExp);
   if (urResult == UR_RESULT_ERROR_UNSUPPORTED_FEATURE) {
     urResult = urProgramLink(UrContext, NumInputPrograms, UrInputPrograms,
                              Options, UrProgram);
+  } else {
+    *UrProgram = UrProgramForExp;
   }
   return ur2piResult(urResult);
 }