[llvm] [GSYM] Callsites: Add data format support and loading from YAML (PR #109781)

[Kyungwoo Lee via llvm-commits]

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@@ -0,0 +1,262 @@
+//===- CallSiteInfo.cpp ----------------------------------*- C++ -*-===//
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kyulee-com wrote:

Can you align the comment line?

https://github.com/llvm/llvm-project/pull/109781