[llvm] [MemProf] Use radix tree for alloc contexts in bitcode summaries (PR #117066)

[Snehasish Kumar via llvm-commits]

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@@ -637,6 +638,10 @@ computeFrameHistogram(llvm::MapVector<CallStackId, llvm::SmallVector<FrameIdTy>>
 template llvm::DenseMap<FrameId, FrameStat> computeFrameHistogram<FrameId>(
     llvm::MapVector<CallStackId, llvm::SmallVector<FrameId>>
         &MemProfCallStackData);
+template llvm::DenseMap<LinearFrameId, FrameStat>
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snehasish wrote:

Add a comment that the only thing different is FrameId LinearFrameId (both of which are the same underlying type). 

https://github.com/llvm/llvm-project/pull/117066