[lld] [lld-macho] Make ObjC category checker print the source file name of … (PR #80221)

[Kyungwoo Lee via llvm-commits]

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@@ -237,12 +237,24 @@ void ObjcCategoryChecker::parseMethods(const ConcatInputSection *methodsIsec,
     StringRef newCatName =
         getReferentString(*containerIsec->getRelocAt(catLayout.nameOffset));
 
+    auto formatObjAndSrcFileName = [](const InputSection *section) {
+      lld::macho::InputFile *inputFile = section->getFile();
+      std::string result = toString(inputFile);
+
+      auto objFile = dyn_cast_or_null<ObjFile>(inputFile);
+      if (objFile && objFile->compileUnit) {
+        result += " (" + objFile->sourceFile() + ")";
+      }
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kyulee-com wrote:

nit. can you drop {} in the single line case per convention/consistency?

https://github.com/llvm/llvm-project/pull/80221