JDevlieghere added inline comments.

================
Comment at: lldb/include/lldb/Utility/SharedCluster.h:52
   ClusterManager() : m_objects() {}
-
-  llvm::SmallVector<T *, 16> m_objects;
+  llvm::SmallPtrSet<T *, 16> m_objects;
   std::mutex m_mutex;
----------------
labath wrote:
> JDevlieghere wrote:
> > I assume pointers cannot be modified once they're in the set. Can this be 
> > `const T *`? 
> Did you mean pointers temselves, or the objects they point to? The pointers 
> are automatically const (you can't modify the map copy in-place), and if 
> someone wanted to store const objects, he could always instantiate this class 
> with `const T` instead.
I meant the latter. You could indeed have an instance of this class with a 
`const T`, but that has a different meaning. My point was that the `m_objects` 
could always store const objects (even though it's somewhat counter intuitive 
that you can delete a const pointer). Anyway, it's no big deal, and I guess not 
making this `const T*` allows you to have an actual `const T` template argument 
while otherwise we'd need `const std::remove_const<T>` to make that case work, 
which obviously isn't worth it. 


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D131996/new/

https://reviews.llvm.org/D131996

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