[clang] Control spacing for attribute printing (PR #174197)

[Kim Gräsman via cfe-commits]

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@@ -584,12 +583,17 @@ void DeclPrinter::VisitTypedefDecl(TypedefDecl *D) {
   }
   QualType Ty = D->getTypeSourceInfo()->getType();
   Ty.print(Out, Policy, D->getName(), Indentation);
-  prettyPrintAttributes(D);
+
+  if (std::string Attrs = prettyPrintAttributes(D); !Attrs.empty()) {
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kimgr wrote:

Good idea, I'll look into it later today!

https://github.com/llvm/llvm-project/pull/174197