See through UsingDecls in more places.

llvm-svn: 74269

2 files changed, 17 insertions, 6 deletions

diff --git a/clang/lib/AST/DeclBase.cpp b/clang/lib/AST/DeclBase.cpp
index 93bee84cff5..5815d820aef 100644
--- a/clang/lib/AST/DeclBase.cpp
+++ b/clang/lib/AST/DeclBase.cpp
@@ -97,6 +97,9 @@ bool Decl::isTemplateParameterPack() const {
 }
 
 bool Decl::isFunctionOrFunctionTemplate() const {
+  if (const UsingDecl *UD = dyn_cast<UsingDecl>(this))
+    return UD->getTargetDecl()->isFunctionOrFunctionTemplate();
+    
   return isa<FunctionDecl>(this) || isa<FunctionTemplateDecl>(this);
 }
 
diff --git a/clang/lib/Sema/SemaLookup.cpp b/clang/lib/Sema/SemaLookup.cpp
index e1c6302fcc1..d76761c6963 100644
--- a/clang/lib/Sema/SemaLookup.cpp
+++ b/clang/lib/Sema/SemaLookup.cpp
@@ -139,16 +139,24 @@ MaybeConstructOverloadSet(ASTContext &Context,
         // nothing to leak.
         Ovl = OverloadedFunctionDecl::Create(Context, (*I)->getDeclContext(),
                                              (*I)->getDeclName());
-        if (isa<FunctionDecl>(*I))
-          Ovl->addOverload(cast<FunctionDecl>(*I));
+        NamedDecl *ND = (*I);
+        if (UsingDecl *UD = dyn_cast<UsingDecl>(ND))
+          ND = UD->getTargetDecl();
+
+        if (isa<FunctionDecl>(ND))
+          Ovl->addOverload(cast<FunctionDecl>(ND));
         else
-          Ovl->addOverload(cast<FunctionTemplateDecl>(*I));
+          Ovl->addOverload(cast<FunctionTemplateDecl>(ND));
       }
 
-      if (isa<FunctionDecl>(*Last))
-        Ovl->addOverload(cast<FunctionDecl>(*Last));
+      NamedDecl *ND = (*Last);
+      if (UsingDecl *UD = dyn_cast<UsingDecl>(ND))
+        ND = UD->getTargetDecl();
+      
+      if (isa<FunctionDecl>(ND))
+        Ovl->addOverload(cast<FunctionDecl>(ND));
       else
-        Ovl->addOverload(cast<FunctionTemplateDecl>(*Last));
+        Ovl->addOverload(cast<FunctionTemplateDecl>(ND));
     }
     
     // If we had more than one function, we built an overload