[clang] [llvm] [PowerPC][AIX] Support #pragma comment copyright for AIX (PR #178184)

[Hubert Tong via llvm-commits]

================
@@ -3336,6 +3363,10 @@ void PragmaCommentHandler::HandlePragma(Preprocessor &PP,
     return;
   }
 
+  // Skip further processing for well-formed copyright with an empty string
----------------
hubert-reinterpretcast wrote:

Same comment (use English prose) [assisted by IBM Bob].
Missing period at end of sentence.

https://github.com/llvm/llvm-project/pull/178184