Implement support for template template parameter packs, e.g.,

  template<template<class> class ...Metafunctions>
    struct apply_to_each;



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122874 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 2 deletions

diff --git a/lib/AST/DeclPrinter.cpp b/lib/AST/DeclPrinter.cpp
index 8941200969..eaa117a045 100644
--- a/lib/AST/DeclPrinter.cpp
+++ b/lib/AST/DeclPrinter.cpp
@@ -699,8 +699,11 @@ void DeclPrinter::VisitTemplateDecl(TemplateDecl *D) {
 
   Out << "> ";
 
-  if (isa<TemplateTemplateParmDecl>(D)) {
-    Out << "class " << D->getName();
+  if (TemplateTemplateParmDecl *TTP = dyn_cast<TemplateTemplateParmDecl>(D)) {
+    Out << "class ";
+    if (TTP->isParameterPack())
+      Out << "...";
+    Out << D->getName();
   } else {
     Visit(D->getTemplatedDecl());
   }