[llvm] Add the 'initialized' attribute langref and support (PR #84803)

[Haopeng Liu via llvm-commits]

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@@ -362,6 +362,21 @@ class FoldingSetNodeID {
     }
   }
 
+  void AddRanges(const SmallVector<std::pair<int64_t, int64_t>, 16> &Ranges) {
+    unsigned Size = Ranges.size();
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haopliu wrote:

Done, thanks!

https://github.com/llvm/llvm-project/pull/84803