From 952eddef9aff85b1e92626e89baaf7a360e2ac85 Mon Sep 17 00:00:00 2001
From: dim <dim@FreeBSD.org>
Date: Sun, 22 Dec 2013 00:07:40 +0000
Subject: Vendor import of clang release_34 branch r197841 (effectively, 3.4
 RC3): https://llvm.org/svn/llvm-project/cfe/branches/release_34@197841

---
 test/SemaCXX/addr-of-overloaded-function.cpp | 37 +++++++++++++++++++++++++---
 1 file changed, 34 insertions(+), 3 deletions(-)

(limited to 'test/SemaCXX/addr-of-overloaded-function.cpp')

diff --git a/test/SemaCXX/addr-of-overloaded-function.cpp b/test/SemaCXX/addr-of-overloaded-function.cpp
index 096f748..230a1eb 100644
--- a/test/SemaCXX/addr-of-overloaded-function.cpp
+++ b/test/SemaCXX/addr-of-overloaded-function.cpp
@@ -57,11 +57,12 @@ struct B
 
 struct C {
   C &getC() {
-    return makeAC; // expected-error{{reference to non-static member function must be called}}
+    return makeAC; // expected-error{{reference to non-static member function must be called; did you mean to call it with no arguments?}}
   }
 
-  C &makeAC();
-  const C &makeAC() const;
+  // FIXME: filter by const so we can unambiguously suggest '()' & point to just the one candidate, probably
+  C &makeAC(); // expected-note{{possible target for call}}
+  const C &makeAC() const; // expected-note{{possible target for call}}
 
   static void f(); // expected-note{{candidate function}}
   static void f(int); // expected-note{{candidate function}}
@@ -69,6 +70,32 @@ struct C {
   void g() {
     int (&fp)() = f; // expected-error{{address of overloaded function 'f' does not match required type 'int ()'}}
   }
+
+  template<typename T>
+  void q1(int); // expected-note{{possible target for call}}
+  template<typename T>
+  void q2(T t = T()); // expected-note{{possible target for call}}
+  template<typename T>
+  void q3(); // expected-note{{possible target for call}}
+  template<typename T1, typename T2>
+  void q4(); // expected-note{{possible target for call}}
+  template<typename T1 = int> // expected-warning{{default template arguments for a function template are a C++11 extension}}
+  void q5(); // expected-note{{possible target for call}}
+
+  void h() {
+    // Do not suggest '()' since an int argument is required
+    q1<int>; // expected-error-re{{reference to non-static member function must be called$}}
+    // Suggest '()' since there's a default value for the only argument & the
+    // type argument is already provided
+    q2<int>; // expected-error{{reference to non-static member function must be called; did you mean to call it with no arguments?}}
+    // Suggest '()' since no arguments are required & the type argument is
+    // already provided
+    q3<int>; // expected-error{{reference to non-static member function must be called; did you mean to call it with no arguments?}}
+    // Do not suggest '()' since another type argument is required
+    q4<int>; // expected-error-re{{reference to non-static member function must be called$}}
+    // Suggest '()' since the type parameter has a default value
+    q5; // expected-error{{reference to non-static member function must be called; did you mean to call it with no arguments?}}
+  }
 };
 
 // PR6886
@@ -208,3 +235,7 @@ namespace test1 {
 
   void (Qualifiers::*X)() = &Dummy::N; // expected-error{{cannot initialize a variable of type 'void (test1::Qualifiers::*)()' with an rvalue of type 'void (test1::Dummy::*)()': different classes ('test1::Qualifiers' vs 'test1::Dummy')}}
 }
+
+template <typename T> class PR16561 {
+  virtual bool f() { if (f) {} return false; } // expected-error {{reference to non-static member function must be called}}
+};
-- 
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