[llvm] [Offload] Allow allocations to be freed without knowing their type (PR #140889)

[Matt Arsenault via llvm-commits]

================
@@ -1495,6 +1495,29 @@ Error GenericDeviceTy::dataDelete(void *TgtPtr, TargetAllocTy Kind) {
   return Plugin::success();
 }
 
+Error GenericDeviceTy::dataDelete(void *TgtPtr) {
+  // Try to free via the memory manager if it exists. If the allocation isn't
+  // managed by the memory manager it will fall back to the device allocator
+  // which should succeed.
+  int Res;
+  if (MemoryManager) {
+    Res = MemoryManager->free(TgtPtr);
+    if (Res)
+      return Plugin::error(
+          ErrorCode::UNKNOWN,
+          "Failure to deallocate device pointer %p via memory manager", TgtPtr);
----------------
arsenm wrote:

error messages should start with a lowercase letter 

https://github.com/llvm/llvm-project/pull/140889