Implement overload resolution for reference-typed parameters supplied with initializer lists.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145769 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 43 insertions, 0 deletions

diff --git a/test/SemaCXX/cxx0x-initializer-references.cpp b/test/SemaCXX/cxx0x-initializer-references.cpp
index 5bc355f8e4..f84f1be7d5 100644
--- a/test/SemaCXX/cxx0x-initializer-references.cpp
+++ b/test/SemaCXX/cxx0x-initializer-references.cpp
@@ -1,5 +1,8 @@
 // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
 
+struct one { char c; };
+struct two { char c[2]; };
+
 namespace reference {
   struct A {
     int i1, i2;
@@ -28,4 +31,44 @@ namespace reference {
     static_assert(sizeof(arrayRef) == 3 * sizeof(int), "bad array size");
   }
 
+  struct B {
+    int i1;
+  };
+
+  void call() {
+    void f(const int&);
+    f({1});
+
+    void g(int&); // expected-note {{passing argument}}
+    g({1}); // expected-error {{cannot bind to an initializer list temporary}}
+    int i = 0;
+    g({i});
+
+    void h(const B&);
+    h({1});
+
+    void a(B&); // expected-note {{passing argument}}
+    a({1}); // expected-error {{cannot bind to an initializer list temporary}}
+    B b{1};
+    a({b});
+  }
+
+  void overloading() {
+    one f(const int&);
+    two f(const B&);
+
+    // First is identity conversion, second is user-defined conversion.
+    static_assert(sizeof(f({1})) == sizeof(one), "bad overload resolution");
+
+    one g(int&);
+    two g(const B&);
+
+    static_assert(sizeof(g({1})) == sizeof(two), "bad overload resolution");
+
+    one h(const int&);
+    two h(const A&);
+
+    static_assert(sizeof(h({1, 2})) == sizeof(two), "bad overload resolution");
+  }
+
 }