[llvm] [OFFLOAD] Stricter enforcement of user offload disable (PR #133470)

[Joseph Huber via llvm-commits]

================
@@ -46,10 +57,16 @@ class OffloadPolicy {
         Kind = DISABLED;
       }
       return;
-    };
+    }
+    Kind = OP.Kind;
   }
 
 public:
+  static const OffloadPolicy &get() {
+    static OffloadPolicy OP;
+    return OP;
+  }
+
   static const OffloadPolicy &get(PluginManager &PM) {
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jhuber6 wrote:

Now we have two static variables for this? Probably better to just check `__kmpc_get_target_offload` manually and not even bother making the pass manager.

https://github.com/llvm/llvm-project/pull/133470