[clang] [llvm] [PowerPC][ISelLowering] Support -mstack-protector-guard=tls (PR #110928)

[Keith Packard via cfe-commits]

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@@ -5616,6 +5616,10 @@ class TargetLowering : public TargetLoweringBase {
     return true;
   }
 
+protected:
+  // Simple interface for targets without a Module dependency
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keith-packard wrote:

Yup, that makes things look cleaner. Good idea.

https://github.com/llvm/llvm-project/pull/110928