[llvm] [ctx_prof] Fix checks in `PGOCtxprofFlattening` (PR #108467)

[Mircea Trofin via llvm-commits]

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@@ -198,6 +204,50 @@ class ProfileAnnotator final {
 
   BBInfo &getBBInfo(const BasicBlock &BB) { return BBInfos.find(&BB)->second; }
 
+  const BBInfo &getBBInfo(const BasicBlock &BB) const {
+    return BBInfos.find(&BB)->second;
+  }
+
+  // validation function after we propagate the counters: all BBs and edges'
+  // counters must have a value.
+  bool allCountersAreAssinged() const {
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mtrofin wrote:

why, it uses private members of `ProfileAnnotator`.

https://github.com/llvm/llvm-project/pull/108467