[llvm] [BOLT] Gadget scanner: detect authentication oracles (PR #135663)

[Kristof Beyls via llvm-commits]

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@@ -284,6 +283,15 @@ class ClobberingInfo : public ExtraInfo {
   void print(raw_ostream &OS, const MCInstReference Location) const override;
 };
 
+class LeakageInfo : public ExtraInfo {
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kbeyls wrote:

When first reading through this patch for the first time, it's a bit unclear to me what `LeakageInfo` really represents. Maybe it'd be good to have a few lines of documentation on this class?
And maybe it would also be good to have a few lines of documentation no the `ClobberingInfo` class above?

https://github.com/llvm/llvm-project/pull/135663