[llvm up]

A template name can refer to a set of overloaded function
templates. Model this in TemplateName, which can now refer to an
OverloadedFunctionDecl that contains function templates. This removes
an unspeakable hack in Sema::isTemplateName.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77488 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaTemplate.cpp b/lib/Sema/SemaTemplate.cpp
index 0300093..245ba3f 100644
--- a/lib/Sema/SemaTemplate.cpp
+++ b/lib/Sema/SemaTemplate.cpp
@@ -93,10 +93,18 @@
               if (isa<FunctionTemplateDecl>(*F))
                 OvlTemplate->addOverload(*F);
             }
-            
-            // FIXME: HACK! We need TemplateName to be able to refer to
-            // sets of overloaded function templates.
-            TemplateResult = TemplateTy::make(OvlTemplate);
+
+            // Form the resulting TemplateName
+            if (SS && SS->isSet() && !SS->isInvalid()) {
+              NestedNameSpecifier *Qualifier 
+                = static_cast<NestedNameSpecifier *>(SS->getScopeRep());
+              TemplateResult 
+                = TemplateTy::make(Context.getQualifiedTemplateName(Qualifier, 
+                                                                    false,
+                                                                  OvlTemplate));              
+            } else {
+              TemplateResult = TemplateTy::make(TemplateName(OvlTemplate));
+            }
             return TNK_Function_template;
           }