[llvm] [llvm-exegesis][AArch64] Check for PAC keys before disabling them (PR #138643)

[Anatoly Trosinenko via llvm-commits]

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@@ -32,6 +39,62 @@
 namespace llvm {
 namespace exegesis {
 
+static cl::opt<bool> AArch64DisablePacControl(
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atrosinenko wrote:

Variable name got out of sync with option string.

https://github.com/llvm/llvm-project/pull/138643