[compiler-rt] [scudo] Add two missing locks to enable/disable. (PR #79670)

[Evgenii Stepanov via llvm-commits]

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@@ -168,6 +168,14 @@ class BufferPool {
     return Buf.BufferIndex != StaticBufferCount;
   }
 
+  void disable() NO_THREAD_SAFETY_ANALYSIS {
+    Mutex.lock();
+  }
+
+  void enable() NO_THREAD_SAFETY_ANALYSIS {
+    Mutex.unlock();
+  }
+
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eugenis wrote:

I do not think this lock is special, see the other comment.

https://github.com/llvm/llvm-project/pull/79670