[lld] [lld][GNU Properties] Refactor storage of PAuth ABI core info (PR #141920)

[Oliver Stannard via llvm-commits]

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@@ -695,7 +701,7 @@ struct Ctx : CommonLinkerContext {
 
   llvm::raw_fd_ostream openAuxiliaryFile(llvm::StringRef, std::error_code &);
 
-  ArrayRef<uint8_t> aarch64PauthAbiCoreInfo;
+  std::optional<AArch64PauthAbiCoreInfo> aarch64PauthAbiCoreInfo;
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ostannard wrote:

What would it point to? Previously, I think they `ArrayRef` pointed into the data in the mmaped input file, but we cam't do that if we're parsing them to integers.

https://github.com/llvm/llvm-project/pull/141920