[llvm] [aarch64] XOR the frame pointer with the stack cookie when protecting the stack (PR #161114)

[Eli Friedman via llvm-commits]

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@@ -32,7 +32,7 @@ AArch64SelectionDAGInfo::AArch64SelectionDAGInfo()
 
 void AArch64SelectionDAGInfo::verifyTargetNode(const SelectionDAG &DAG,
                                                const SDNode *N) const {
-  SelectionDAGGenTargetInfo::verifyTargetNode(DAG, N);
+  //  SelectionDAGGenTargetInfo::verifyTargetNode(DAG, N);
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efriedma-quic wrote:

Not sure why you're commenting this out?

verifyTargetNode is there to allow targets to implement additional verification for target-specific nodes, to try to catch mistakes early.  It isn't strictly necessary to implement it for new nodes, but it's nice to have.

https://github.com/llvm/llvm-project/pull/161114