[clang] [Clang] support friend declarations with a dependent nested-name-specifier (PR #191268)

[Oleksandr Tarasiuk via cfe-commits]

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@@ -889,24 +889,17 @@ void DeclPrinter::VisitFunctionDecl(FunctionDecl *D) {
 
 void DeclPrinter::VisitFriendDecl(FriendDecl *D) {
   if (TypeSourceInfo *TSI = D->getFriendType()) {
-    unsigned NumTPLists = D->getFriendTypeNumTemplateParameterLists();
-    for (unsigned i = 0; i < NumTPLists; ++i)
-      printTemplateParameters(D->getFriendTypeTemplateParameterList(i));
     Out << "friend ";
     Out << TSI->getType().getAsString(Policy);
-  }
-  else if (FunctionDecl *FD =
-      dyn_cast<FunctionDecl>(D->getFriendDecl())) {
+  } else if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D->getFriendDecl())) {
     Out << "friend ";
     VisitFunctionDecl(FD);
-  }
-  else if (FunctionTemplateDecl *FTD =
-           dyn_cast<FunctionTemplateDecl>(D->getFriendDecl())) {
+  } else if (FunctionTemplateDecl *FTD =
+                 dyn_cast<FunctionTemplateDecl>(D->getFriendDecl())) {
     Out << "friend ";
     VisitFunctionTemplateDecl(FTD);
-  }
-  else if (ClassTemplateDecl *CTD =
-           dyn_cast<ClassTemplateDecl>(D->getFriendDecl())) {
+  } else if (ClassTemplateDecl *CTD =
+                 dyn_cast<ClassTemplateDecl>(D->getFriendDecl())) {
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a-tarasyuk wrote:

@cor3ntin I’ll check, but reverting to the previous formatting will likely cause the clang-format check to fail.

https://github.com/llvm/llvm-project/pull/191268