[llvm] [TableGen] Rework error reporting for duplicate Feature/Processor. (PR #102257)

[Rahul Joshi via llvm-commits]

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@@ -317,18 +308,17 @@ SubtargetEmitter::CPUKeyValues(raw_ostream &OS,
       Records.getAllDerivedDefinitions("Processor");
   llvm::sort(ProcessorList, LessRecordFieldName());
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jurahul wrote:

Added a comment.

https://github.com/llvm/llvm-project/pull/102257