[compiler-rt] [scudo] Fix secondary caching for mte (PR #150156)

[via llvm-commits]

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@@ -513,9 +515,10 @@ class MapAllocatorCache {
         Quarantine[I].invalidate();
       }
     }
+    QuarantinePos = -1U;
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ChiaHungDuan wrote:

just a minor question, why do we need to reorder this? I think it's guarded by the same lock as other cache data members.

https://github.com/llvm/llvm-project/pull/150156