Allow calling an overloaded function set by taking the address of the

functions, e.g., (&f)(0). Fixes <rdar://problem/9803316>.

llvm-svn: 141877

3 files changed, 13 insertions, 4 deletions

diff --git a/clang/test/CXX/expr/expr.unary/expr.unary.op/p6.cpp b/clang/test/CXX/expr/expr.unary/expr.unary.op/p6.cpp
index 129a4f4e770..ac11940c80d 100644
--- a/clang/test/CXX/expr/expr.unary/expr.unary.op/p6.cpp
+++ b/clang/test/CXX/expr/expr.unary/expr.unary.op/p6.cpp
@@ -29,8 +29,7 @@ bool b8 = !S(); //expected-error {{invalid argument type 'S'}}
 
 namespace PR8181
 {
-  void f() { } // expected-note{{possible target for call}}
+  bool f() { } // expected-note{{possible target for call}}
   void f(char) { } // expected-note{{possible target for call}}
-  bool b = !&f;  //expected-error {{reference to overloaded function could not be resolved; did you mean to call it?}}
-
+  bool b = !&f;  //expected-error {{reference to overloaded function could not be resolved; did you mean to call it with no arguments?}}
 }
diff --git a/clang/test/SemaCXX/alignof-sizeof-reference.cpp b/clang/test/SemaCXX/alignof-sizeof-reference.cpp
index 1d65abbcc9f..6a2d301ff4e 100644
--- a/clang/test/SemaCXX/alignof-sizeof-reference.cpp
+++ b/clang/test/SemaCXX/alignof-sizeof-reference.cpp
@@ -11,7 +11,8 @@ void test() {
 void f();  // expected-note{{possible target for call}}
 void f(int);  // expected-note{{possible target for call}}
 void g() { 
-  sizeof(&f); // expected-error{{reference to overloaded function could not be resolved; did you mean to call it?}}
+  sizeof(&f); // expected-error{{reference to overloaded function could not be resolved; did you mean to call it with no arguments?}} \
+  // expected-warning{{expression result unused}}
 }
 
 template<typename T> void f_template(); // expected-note{{possible target for call}}
diff --git a/clang/test/SemaCXX/overload-call.cpp b/clang/test/SemaCXX/overload-call.cpp
index 9cc48993fde..00f6a9460a7 100644
--- a/clang/test/SemaCXX/overload-call.cpp
+++ b/clang/test/SemaCXX/overload-call.cpp
@@ -525,3 +525,12 @@ namespace PR9507 {
     f(n); // expected-error{{call to 'f' is ambiguous}}
   }
 }
+
+namespace rdar9803316 {
+  void foo(float);
+  int &foo(int);
+
+  void bar() {
+    int &ir = (&foo)(0);
+  }
+}