[llvm] [BOLT] Add sink block to flow CFG in profile inference (PR #95047)

[shaw young via llvm-commits]

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@@ -28,6 +28,7 @@ struct FlowBlock {
   uint64_t Weight{0};
   bool HasUnknownWeight{true};
   bool IsUnlikely{false};
+  bool IsExit{false};
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shawbyoung wrote:

I agree, just changed this representation


https://github.com/llvm/llvm-project/pull/95047