[libunwind] [PAC][libunwind] Pass ptrauth-qualified values as const references (PR #173765)

[Anton Korobeynikov via cfe-commits]

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@@ -202,10 +202,12 @@ class _LIBUNWIND_HIDDEN LocalAddressSpace {
 
   pint_t getEncodedP(pint_t &addr, pint_t end, uint8_t encoding,
                      pint_t datarelBase = 0, pint_t *resultAddr = nullptr);
-  bool findFunctionName(pint_t addr, char *buf, size_t bufLen,
+  template <typename T>
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asl wrote:

Do we have any comment describing this functionality? So it won't accidentally dropped during e.g. refactorings, etc.

https://github.com/llvm/llvm-project/pull/173765