[compiler-rt] Reapply "[scudo] Update secondary cache time-based release logic" (PR #110391)

[via llvm-commits]

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@@ -321,9 +322,11 @@ class MapAllocatorCache {
         }
         CachedBlock PrevEntry = Quarantine[QuarantinePos];
         Quarantine[QuarantinePos] = Entry;
-        if (OldestTime == 0)
-          OldestTime = Entry.Time;
         Entry = PrevEntry;
+        // Update the entry time to reflect the time that the
+        // quarantined memory is placed in the Entries array
+        if (Entry.Time != 0)
+          Entry.Time = Time;
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ChiaHungDuan wrote:

Please say more about why we only update the time when it's non-zero

https://github.com/llvm/llvm-project/pull/110391