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

[Kristof Beyls via llvm-commits]

kbeyls wrote:

I found at least the following instructions that have 2 `Wn` output register by browsing through the search results for `Wt2` and `Rt2` in the ArmARM: `CASP*`, `LD*P`


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