Devirtualize RedeclarableTemplateDecl::newCommon().


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125750 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/DeclTemplate.cpp b/lib/AST/DeclTemplate.cpp
index a73deea..2005ff6 100644
--- a/lib/AST/DeclTemplate.cpp
+++ b/lib/AST/DeclTemplate.cpp
@@ -112,6 +112,14 @@
 }
 
 
+RedeclarableTemplateDecl::CommonBase *
+RedeclarableTemplateDecl::newCommon(ASTContext &C) {
+  if (FunctionTemplateDecl *FunTmpl = dyn_cast<FunctionTemplateDecl>(this))
+    return FunTmpl->newCommon(C);
+  
+  return cast<ClassTemplateDecl>(this)->newCommon(C);
+}
+
 RedeclarableTemplateDecl *RedeclarableTemplateDecl::getCanonicalDeclImpl() {
   RedeclarableTemplateDecl *Tmpl = this;
   while (Tmpl->getPreviousDeclaration())